Finding the Third Proportional to 112,128.75 and 173,797.88

Step by Step Solution

1. Step 1: Write the proportion equation
   112,128.75 : 173,797.88 = 173,797.88 : x
2. Step 2: Convert to fraction form
   112,128.75/173,797.88 = 173,797.88/x
3. Step 3: Cross multiply
   112,128.75x = 173,797.88 × 173,797.88
4. Step 4: Simplify right side
   112,128.75x = 30,205,701,354.52
5. Step 5: Solve for x
   x = 30,205,701,354.52/112,128.75
6. Step 6: Final answer
   x = 269,384.09