Finding the Third Proportional to 112,521 and 240,108

Step by Step Solution

1. Step 1: Write the proportion equation
   112,521 : 240,108 = 240,108 : x
2. Step 2: Convert to fraction form
   112,521/240,108 = 240,108/x
3. Step 3: Cross multiply
   112,521x = 240,108 × 240,108
4. Step 4: Simplify right side
   112,521x = 57,651,851,664
5. Step 5: Solve for x
   x = 57,651,851,664/112,521
6. Step 6: Final answer
   x = 512,365.26