Finding the Third Proportional to 482,866 and 764,426

Step by Step Solution

1. Step 1: Write the proportion equation
   482,866 : 764,426 = 764,426 : x
2. Step 2: Convert to fraction form
   482,866/764,426 = 764,426/x
3. Step 3: Cross multiply
   482,866x = 764,426 × 764,426
4. Step 4: Simplify right side
   482,866x = 584,347,109,476
5. Step 5: Solve for x
   x = 584,347,109,476/482,866
6. Step 6: Final answer
   x = 1,210,164.12