Finding the Third Proportional to 78,780.75 and 113,250.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,780.75 : 113,250.38 = 113,250.38 : x
2. Step 2: Convert to fraction form
   78,780.75/113,250.38 = 113,250.38/x
3. Step 3: Cross multiply
   78,780.75x = 113,250.38 × 113,250.38
4. Step 4: Simplify right side
   78,780.75x = 12,825,647,437.64
5. Step 5: Solve for x
   x = 12,825,647,437.64/78,780.75
6. Step 6: Final answer
   x = 162,801.79