Finding the Third Proportional to 231,423 and 469,287

Step by Step Solution

1. Step 1: Write the proportion equation
   231,423 : 469,287 = 469,287 : x
2. Step 2: Convert to fraction form
   231,423/469,287 = 469,287/x
3. Step 3: Cross multiply
   231,423x = 469,287 × 469,287
4. Step 4: Simplify right side
   231,423x = 220,230,288,369
5. Step 5: Solve for x
   x = 220,230,288,369/231,423
6. Step 6: Final answer
   x = 951,635.27