Finding the Third Proportional to 111,024.42 and 243,132.89

Step by Step Solution

1. Step 1: Write the proportion equation
   111,024.42 : 243,132.89 = 243,132.89 : x
2. Step 2: Convert to fraction form
   111,024.42/243,132.89 = 243,132.89/x
3. Step 3: Cross multiply
   111,024.42x = 243,132.89 × 243,132.89
4. Step 4: Simplify right side
   111,024.42x = 59,113,602,503.67
5. Step 5: Solve for x
   x = 59,113,602,503.67/111,024.42
6. Step 6: Final answer
   x = 532,437.83