Finding the Third Proportional to 111,902 and 243,466

Step by Step Solution

1. Step 1: Write the proportion equation
   111,902 : 243,466 = 243,466 : x
2. Step 2: Convert to fraction form
   111,902/243,466 = 243,466/x
3. Step 3: Cross multiply
   111,902x = 243,466 × 243,466
4. Step 4: Simplify right side
   111,902x = 59,275,693,156
5. Step 5: Solve for x
   x = 59,275,693,156/111,902
6. Step 6: Final answer
   x = 529,710.76