Finding the Third Proportional to 19,979,083,953,590 and 31,790,650,141,210

Step by Step Solution

1. Step 1: Write the proportion equation
   19,979,083,953,590 : 31,790,650,141,210 = 31,790,650,141,210 : x
2. Step 2: Convert to fraction form
   19,979,083,953,590/31,790,650,141,210 = 31,790,650,141,210/x
3. Step 3: Cross multiply
   19,979,083,953,590x = 31,790,650,141,210 × 31,790,650,141,210
4. Step 4: Simplify right side
   19,979,083,953,590x = 1,010,645,436,400,815,383,844,487,168
5. Step 5: Solve for x
   x = 1,010,645,436,400,815,383,844,487,168/19,979,083,953,590
6. Step 6: Final answer
   x = 50,585,173,912,301.15