Finding the Third Proportional to 85,429.69 and 113,382.28

Step by Step Solution

1. Step 1: Write the proportion equation
   85,429.69 : 113,382.28 = 113,382.28 : x
2. Step 2: Convert to fraction form
   85,429.69/113,382.28 = 113,382.28/x
3. Step 3: Cross multiply
   85,429.69x = 113,382.28 × 113,382.28
4. Step 4: Simplify right side
   85,429.69x = 12,855,541,701.45
5. Step 5: Solve for x
   x = 12,855,541,701.45/85,429.69
6. Step 6: Final answer
   x = 150,480.96