Finding the Third Proportional to 29,809.50 and 63,172.88

Step by Step Solution

1. Step 1: Write the proportion equation
   29,809.50 : 63,172.88 = 63,172.88 : x
2. Step 2: Convert to fraction form
   29,809.50/63,172.88 = 63,172.88/x
3. Step 3: Cross multiply
   29,809.50x = 63,172.88 × 63,172.88
4. Step 4: Simplify right side
   29,809.50x = 3,990,812,135.77
5. Step 5: Solve for x
   x = 3,990,812,135.77/29,809.50
6. Step 6: Final answer
   x = 133,877.19