Finding the Third Proportional to 111,134 and 243,349

Step by Step Solution

1. Step 1: Write the proportion equation
   111,134 : 243,349 = 243,349 : x
2. Step 2: Convert to fraction form
   111,134/243,349 = 243,349/x
3. Step 3: Cross multiply
   111,134x = 243,349 × 243,349
4. Step 4: Simplify right side
   111,134x = 59,218,735,801
5. Step 5: Solve for x
   x = 59,218,735,801/111,134
6. Step 6: Final answer
   x = 532,858.85