Finding the Third Proportional to 111,297.38 and 262,464

Step by Step Solution

1. Step 1: Write the proportion equation
   111,297.38 : 262,464 = 262,464 : x
2. Step 2: Convert to fraction form
   111,297.38/262,464 = 262,464/x
3. Step 3: Cross multiply
   111,297.38x = 262,464 × 262,464
4. Step 4: Simplify right side
   111,297.38x = 68,887,351,296
5. Step 5: Solve for x
   x = 68,887,351,296/111,297.38
6. Step 6: Final answer
   x = 618,948.57