Finding the Third Proportional to 72,805.50 and 155,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,805.50 : 155,734.50 = 155,734.50 : x
2. Step 2: Convert to fraction form
   72,805.50/155,734.50 = 155,734.50/x
3. Step 3: Cross multiply
   72,805.50x = 155,734.50 × 155,734.50
4. Step 4: Simplify right side
   72,805.50x = 24,253,234,490.25
5. Step 5: Solve for x
   x = 24,253,234,490.25/72,805.50
6. Step 6: Final answer
   x = 333,123.66