Finding the Third Proportional to 72,013.50 and 157,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,013.50 : 157,126.50 = 157,126.50 : x
2. Step 2: Convert to fraction form
   72,013.50/157,126.50 = 157,126.50/x
3. Step 3: Cross multiply
   72,013.50x = 157,126.50 × 157,126.50
4. Step 4: Simplify right side
   72,013.50x = 24,688,737,002.25
5. Step 5: Solve for x
   x = 24,688,737,002.25/72,013.50
6. Step 6: Final answer
   x = 342,834.84