Finding the Third Proportional to 111,698 and 240,892

Step by Step Solution

1. Step 1: Write the proportion equation
   111,698 : 240,892 = 240,892 : x
2. Step 2: Convert to fraction form
   111,698/240,892 = 240,892/x
3. Step 3: Cross multiply
   111,698x = 240,892 × 240,892
4. Step 4: Simplify right side
   111,698x = 58,028,955,664
5. Step 5: Solve for x
   x = 58,028,955,664/111,698
6. Step 6: Final answer
   x = 519,516.51