Finding the Third Proportional to 71,799.75 and 156,189.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,799.75 : 156,189.38 = 156,189.38 : x
2. Step 2: Convert to fraction form
   71,799.75/156,189.38 = 156,189.38/x
3. Step 3: Cross multiply
   71,799.75x = 156,189.38 × 156,189.38
4. Step 4: Simplify right side
   71,799.75x = 24,395,120,862.89
5. Step 5: Solve for x
   x = 24,395,120,862.89/71,799.75
6. Step 6: Final answer
   x = 339,766.10