Finding the Third Proportional to 111,904 and 263,862

Step by Step Solution

1. Step 1: Write the proportion equation
   111,904 : 263,862 = 263,862 : x
2. Step 2: Convert to fraction form
   111,904/263,862 = 263,862/x
3. Step 3: Cross multiply
   111,904x = 263,862 × 263,862
4. Step 4: Simplify right side
   111,904x = 69,623,155,044
5. Step 5: Solve for x
   x = 69,623,155,044/111,904
6. Step 6: Final answer
   x = 622,168.60