Finding the Third Proportional to 482,866 and 764,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,866 : 764,425.50 = 764,425.50 : x
2. Step 2: Convert to fraction form
   482,866/764,425.50 = 764,425.50/x
3. Step 3: Cross multiply
   482,866x = 764,425.50 × 764,425.50
4. Step 4: Simplify right side
   482,866x = 584,346,345,050.25
5. Step 5: Solve for x
   x = 584,346,345,050.25/482,866
6. Step 6: Final answer
   x = 1,210,162.54