Finding the Third Proportional to 111,537 and 243,101.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,537 : 243,101.57 = 243,101.57 : x
2. Step 2: Convert to fraction form
   111,537/243,101.57 = 243,101.57/x
3. Step 3: Cross multiply
   111,537x = 243,101.57 × 243,101.57
4. Step 4: Simplify right side
   111,537x = 59,098,371,589.17
5. Step 5: Solve for x
   x = 59,098,371,589.17/111,537
6. Step 6: Final answer
   x = 529,854.41