Finding the Third Proportional to 402,476.50 and 838,025

Step by Step Solution

1. Step 1: Write the proportion equation
   402,476.50 : 838,025 = 838,025 : x
2. Step 2: Convert to fraction form
   402,476.50/838,025 = 838,025/x
3. Step 3: Cross multiply
   402,476.50x = 838,025 × 838,025
4. Step 4: Simplify right side
   402,476.50x = 702,285,900,625
5. Step 5: Solve for x
   x = 702,285,900,625/402,476.50
6. Step 6: Final answer
   x = 1,744,911.57