Finding the Third Proportional to 677,632.50 and 903,387

Step by Step Solution

1. Step 1: Write the proportion equation
   677,632.50 : 903,387 = 903,387 : x
2. Step 2: Convert to fraction form
   677,632.50/903,387 = 903,387/x
3. Step 3: Cross multiply
   677,632.50x = 903,387 × 903,387
4. Step 4: Simplify right side
   677,632.50x = 816,108,071,769
5. Step 5: Solve for x
   x = 816,108,071,769/677,632.50
6. Step 6: Final answer
   x = 1,204,352.02