Finding the Third Proportional to 814,657.50 and 1,139,481

Step by Step Solution

1. Step 1: Write the proportion equation
   814,657.50 : 1,139,481 = 1,139,481 : x
2. Step 2: Convert to fraction form
   814,657.50/1,139,481 = 1,139,481/x
3. Step 3: Cross multiply
   814,657.50x = 1,139,481 × 1,139,481
4. Step 4: Simplify right side
   814,657.50x = 1,298,416,949,361
5. Step 5: Solve for x
   x = 1,298,416,949,361/814,657.50
6. Step 6: Final answer
   x = 1,593,819.43