Finding the Third Proportional to 42,458,466 and 63,621,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,458,466 : 63,621,028.50 = 63,621,028.50 : x
2. Step 2: Convert to fraction form
   42,458,466/63,621,028.50 = 63,621,028.50/x
3. Step 3: Cross multiply
   42,458,466x = 63,621,028.50 × 63,621,028.50
4. Step 4: Simplify right side
   42,458,466x = 4,047,635,267,397,812
5. Step 5: Solve for x
   x = 4,047,635,267,397,812/42,458,466
6. Step 6: Final answer
   x = 95,331,641.69