Finding the Third Proportional to 19,151,979 and 42,555,432

Step by Step Solution

1. Step 1: Write the proportion equation
   19,151,979 : 42,555,432 = 42,555,432 : x
2. Step 2: Convert to fraction form
   19,151,979/42,555,432 = 42,555,432/x
3. Step 3: Cross multiply
   19,151,979x = 42,555,432 × 42,555,432
4. Step 4: Simplify right side
   19,151,979x = 1,810,964,792,706,624
5. Step 5: Solve for x
   x = 1,810,964,792,706,624/19,151,979
6. Step 6: Final answer
   x = 94,557,580.33