Finding the Third Proportional to 71,669.25 and 156,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,669.25 : 156,028.50 = 156,028.50 : x
2. Step 2: Convert to fraction form
   71,669.25/156,028.50 = 156,028.50/x
3. Step 3: Cross multiply
   71,669.25x = 156,028.50 × 156,028.50
4. Step 4: Simplify right side
   71,669.25x = 24,344,892,812.25
5. Step 5: Solve for x
   x = 24,344,892,812.25/71,669.25
6. Step 6: Final answer
   x = 339,683.93