Finding the Third Proportional to 72,103.50 and 156,375

Step by Step Solution

1. Step 1: Write the proportion equation
   72,103.50 : 156,375 = 156,375 : x
2. Step 2: Convert to fraction form
   72,103.50/156,375 = 156,375/x
3. Step 3: Cross multiply
   72,103.50x = 156,375 × 156,375
4. Step 4: Simplify right side
   72,103.50x = 24,453,140,625
5. Step 5: Solve for x
   x = 24,453,140,625/72,103.50
6. Step 6: Final answer
   x = 339,139.44