Finding the Third Proportional to 76,937.98 and 115,099.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,937.98 : 115,099.42 = 115,099.42 : x
2. Step 2: Convert to fraction form
   76,937.98/115,099.42 = 115,099.42/x
3. Step 3: Cross multiply
   76,937.98x = 115,099.42 × 115,099.42
4. Step 4: Simplify right side
   76,937.98x = 13,247,876,016.75
5. Step 5: Solve for x
   x = 13,247,876,016.75/76,937.98
6. Step 6: Final answer
   x = 172,189.04