Finding the Third Proportional to 76,579.17 and 111,480.05

Step by Step Solution

1. Step 1: Write the proportion equation
   76,579.17 : 111,480.05 = 111,480.05 : x
2. Step 2: Convert to fraction form
   76,579.17/111,480.05 = 111,480.05/x
3. Step 3: Cross multiply
   76,579.17x = 111,480.05 × 111,480.05
4. Step 4: Simplify right side
   76,579.17x = 12,427,800,851.25
5. Step 5: Solve for x
   x = 12,427,800,851.25/76,579.17
6. Step 6: Final answer
   x = 162,286.96