Finding the Third Proportional to 111,760 and 242,442

Step by Step Solution

1. Step 1: Write the proportion equation
   111,760 : 242,442 = 242,442 : x
2. Step 2: Convert to fraction form
   111,760/242,442 = 242,442/x
3. Step 3: Cross multiply
   111,760x = 242,442 × 242,442
4. Step 4: Simplify right side
   111,760x = 58,778,123,364
5. Step 5: Solve for x
   x = 58,778,123,364/111,760
6. Step 6: Final answer
   x = 525,931.67