Finding the Third Proportional to 78,801.75 and 112,589.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,801.75 : 112,589.25 = 112,589.25 : x
2. Step 2: Convert to fraction form
   78,801.75/112,589.25 = 112,589.25/x
3. Step 3: Cross multiply
   78,801.75x = 112,589.25 × 112,589.25
4. Step 4: Simplify right side
   78,801.75x = 12,676,339,215.56
5. Step 5: Solve for x
   x = 12,676,339,215.56/78,801.75
6. Step 6: Final answer
   x = 160,863.68