Finding the Third Proportional to 482,860 and 764,416.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,860 : 764,416.50 = 764,416.50 : x
2. Step 2: Convert to fraction form
   482,860/764,416.50 = 764,416.50/x
3. Step 3: Cross multiply
   482,860x = 764,416.50 × 764,416.50
4. Step 4: Simplify right side
   482,860x = 584,332,585,472.25
5. Step 5: Solve for x
   x = 584,332,585,472.25/482,860
6. Step 6: Final answer
   x = 1,210,149.08