Finding the Third Proportional to 111,301 and 262,471

Step by Step Solution

1. Step 1: Write the proportion equation
   111,301 : 262,471 = 262,471 : x
2. Step 2: Convert to fraction form
   111,301/262,471 = 262,471/x
3. Step 3: Cross multiply
   111,301x = 262,471 × 262,471
4. Step 4: Simplify right side
   111,301x = 68,891,025,841
5. Step 5: Solve for x
   x = 68,891,025,841/111,301
6. Step 6: Final answer
   x = 618,961.43