Finding the Third Proportional to 25,315.59 and 55,396.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,315.59 : 55,396.69 = 55,396.69 : x
2. Step 2: Convert to fraction form
   25,315.59/55,396.69 = 55,396.69/x
3. Step 3: Cross multiply
   25,315.59x = 55,396.69 × 55,396.69
4. Step 4: Simplify right side
   25,315.59x = 3,068,792,985.97
5. Step 5: Solve for x
   x = 3,068,792,985.97/25,315.59
6. Step 6: Final answer
   x = 121,221.45