Finding the Third Proportional to 76,078.50 and 111,300.75

Step by Step Solution

1. Step 1: Write the proportion equation
   76,078.50 : 111,300.75 = 111,300.75 : x
2. Step 2: Convert to fraction form
   76,078.50/111,300.75 = 111,300.75/x
3. Step 3: Cross multiply
   76,078.50x = 111,300.75 × 111,300.75
4. Step 4: Simplify right side
   76,078.50x = 12,387,856,950.56
5. Step 5: Solve for x
   x = 12,387,856,950.56/76,078.50
6. Step 6: Final answer
   x = 162,829.93