Finding the Third Proportional to 370,756.50 and 809,472

Step by Step Solution

1. Step 1: Write the proportion equation
   370,756.50 : 809,472 = 809,472 : x
2. Step 2: Convert to fraction form
   370,756.50/809,472 = 809,472/x
3. Step 3: Cross multiply
   370,756.50x = 809,472 × 809,472
4. Step 4: Simplify right side
   370,756.50x = 655,244,918,784
5. Step 5: Solve for x
   x = 655,244,918,784/370,756.50
6. Step 6: Final answer
   x = 1,767,318.76