Finding the Third Proportional to 42,645,962 and 60,779,055

Step by Step Solution

1. Step 1: Write the proportion equation
   42,645,962 : 60,779,055 = 60,779,055 : x
2. Step 2: Convert to fraction form
   42,645,962/60,779,055 = 60,779,055/x
3. Step 3: Cross multiply
   42,645,962x = 60,779,055 × 60,779,055
4. Step 4: Simplify right side
   42,645,962x = 3,694,093,526,693,025
5. Step 5: Solve for x
   x = 3,694,093,526,693,025/42,645,962
6. Step 6: Final answer
   x = 86,622,351.88