Finding the Third Proportional to 527,582 and 818,144

Step by Step Solution

1. Step 1: Write the proportion equation
   527,582 : 818,144 = 818,144 : x
2. Step 2: Convert to fraction form
   527,582/818,144 = 818,144/x
3. Step 3: Cross multiply
   527,582x = 818,144 × 818,144
4. Step 4: Simplify right side
   527,582x = 669,359,604,736
5. Step 5: Solve for x
   x = 669,359,604,736/527,582
6. Step 6: Final answer
   x = 1,268,730.94