Finding the Third Proportional to 154,057.50 and 333,387

Step by Step Solution

1. Step 1: Write the proportion equation
   154,057.50 : 333,387 = 333,387 : x
2. Step 2: Convert to fraction form
   154,057.50/333,387 = 333,387/x
3. Step 3: Cross multiply
   154,057.50x = 333,387 × 333,387
4. Step 4: Simplify right side
   154,057.50x = 111,146,891,769
5. Step 5: Solve for x
   x = 111,146,891,769/154,057.50
6. Step 6: Final answer
   x = 721,463.69