Finding the Third Proportional to 362,456.50 and 784,646

Step by Step Solution

1. Step 1: Write the proportion equation
   362,456.50 : 784,646 = 784,646 : x
2. Step 2: Convert to fraction form
   362,456.50/784,646 = 784,646/x
3. Step 3: Cross multiply
   362,456.50x = 784,646 × 784,646
4. Step 4: Simplify right side
   362,456.50x = 615,669,345,316
5. Step 5: Solve for x
   x = 615,669,345,316/362,456.50
6. Step 6: Final answer
   x = 1,698,602.03