Finding the Third Proportional to 359,276.50 and 784,675

Step by Step Solution

1. Step 1: Write the proportion equation
   359,276.50 : 784,675 = 784,675 : x
2. Step 2: Convert to fraction form
   359,276.50/784,675 = 784,675/x
3. Step 3: Cross multiply
   359,276.50x = 784,675 × 784,675
4. Step 4: Simplify right side
   359,276.50x = 615,714,855,625
5. Step 5: Solve for x
   x = 615,714,855,625/359,276.50
6. Step 6: Final answer
   x = 1,713,763.23