Finding the Third Proportional to 31,429.13 and 42,708.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,429.13 : 42,708.94 = 42,708.94 : x
2. Step 2: Convert to fraction form
   31,429.13/42,708.94 = 42,708.94/x
3. Step 3: Cross multiply
   31,429.13x = 42,708.94 × 42,708.94
4. Step 4: Simplify right side
   31,429.13x = 1,824,053,342.38
5. Step 5: Solve for x
   x = 1,824,053,342.38/31,429.13
6. Step 6: Final answer
   x = 58,037.04