Finding the Third Proportional to 362,465.50 and 784,664

Step by Step Solution

1. Step 1: Write the proportion equation
   362,465.50 : 784,664 = 784,664 : x
2. Step 2: Convert to fraction form
   362,465.50/784,664 = 784,664/x
3. Step 3: Cross multiply
   362,465.50x = 784,664 × 784,664
4. Step 4: Simplify right side
   362,465.50x = 615,697,592,896
5. Step 5: Solve for x
   x = 615,697,592,896/362,465.50
6. Step 6: Final answer
   x = 1,698,637.78