Finding the Third Proportional to 19,623,654,087,554 and 42,940,372,464,324

Step by Step Solution

1. Step 1: Write the proportion equation
   19,623,654,087,554 : 42,940,372,464,324 = 42,940,372,464,324 : x
2. Step 2: Convert to fraction form
   19,623,654,087,554/42,940,372,464,324 = 42,940,372,464,324/x
3. Step 3: Cross multiply
   19,623,654,087,554x = 42,940,372,464,324 × 42,940,372,464,324
4. Step 4: Simplify right side
   19,623,654,087,554x = 1,843,875,587,374,874,921,141,272,576
5. Step 5: Solve for x
   x = 1,843,875,587,374,874,921,141,272,576/19,623,654,087,554
6. Step 6: Final answer
   x = 93,961,887,992,324.77