Finding the Third Proportional to 29,809.31 and 63,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,809.31 : 63,172.50 = 63,172.50 : x
2. Step 2: Convert to fraction form
   29,809.31/63,172.50 = 63,172.50/x
3. Step 3: Cross multiply
   29,809.31x = 63,172.50 × 63,172.50
4. Step 4: Simplify right side
   29,809.31x = 3,990,764,756.25
5. Step 5: Solve for x
   x = 3,990,764,756.25/29,809.31
6. Step 6: Final answer
   x = 133,876.44