Finding the Third Proportional to 72,940.50 and 151,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,940.50 : 151,429.50 = 151,429.50 : x
2. Step 2: Convert to fraction form
   72,940.50/151,429.50 = 151,429.50/x
3. Step 3: Cross multiply
   72,940.50x = 151,429.50 × 151,429.50
4. Step 4: Simplify right side
   72,940.50x = 22,930,893,470.25
5. Step 5: Solve for x
   x = 22,930,893,470.25/72,940.50
6. Step 6: Final answer
   x = 314,378.07