Finding the Third Proportional to 31,276.13 and 40,798.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,276.13 : 40,798.69 = 40,798.69 : x
2. Step 2: Convert to fraction form
   31,276.13/40,798.69 = 40,798.69/x
3. Step 3: Cross multiply
   31,276.13x = 40,798.69 × 40,798.69
4. Step 4: Simplify right side
   31,276.13x = 1,664,532,901.72
5. Step 5: Solve for x
   x = 1,664,532,901.72/31,276.13
6. Step 6: Final answer
   x = 53,220.56