Finding the Third Proportional to 31,167.28 and 75,140.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,167.28 : 75,140.16 = 75,140.16 : x
2. Step 2: Convert to fraction form
   31,167.28/75,140.16 = 75,140.16/x
3. Step 3: Cross multiply
   31,167.28x = 75,140.16 × 75,140.16
4. Step 4: Simplify right side
   31,167.28x = 5,646,043,081.27
5. Step 5: Solve for x
   x = 5,646,043,081.27/31,167.28
6. Step 6: Final answer
   x = 181,152.89