Finding the Third Proportional to 111,265 and 240,349

Step by Step Solution

1. Step 1: Write the proportion equation
   111,265 : 240,349 = 240,349 : x
2. Step 2: Convert to fraction form
   111,265/240,349 = 240,349/x
3. Step 3: Cross multiply
   111,265x = 240,349 × 240,349
4. Step 4: Simplify right side
   111,265x = 57,767,641,801
5. Step 5: Solve for x
   x = 57,767,641,801/111,265
6. Step 6: Final answer
   x = 519,189.70