Finding the Third Proportional to 375,427.50 and 809,535

Step by Step Solution

1. Step 1: Write the proportion equation
   375,427.50 : 809,535 = 809,535 : x
2. Step 2: Convert to fraction form
   375,427.50/809,535 = 809,535/x
3. Step 3: Cross multiply
   375,427.50x = 809,535 × 809,535
4. Step 4: Simplify right side
   375,427.50x = 655,346,916,225
5. Step 5: Solve for x
   x = 655,346,916,225/375,427.50
6. Step 6: Final answer
   x = 1,745,601.79