Finding the Third Proportional to 72,768.38 and 157,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,768.38 : 157,423.50 = 157,423.50 : x
2. Step 2: Convert to fraction form
   72,768.38/157,423.50 = 157,423.50/x
3. Step 3: Cross multiply
   72,768.38x = 157,423.50 × 157,423.50
4. Step 4: Simplify right side
   72,768.38x = 24,782,158,352.25
5. Step 5: Solve for x
   x = 24,782,158,352.25/72,768.38
6. Step 6: Final answer
   x = 340,562.21