Finding the Third Proportional to 31,672.69 and 42,752.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,672.69 : 42,752.81 = 42,752.81 : x
2. Step 2: Convert to fraction form
   31,672.69/42,752.81 = 42,752.81/x
3. Step 3: Cross multiply
   31,672.69x = 42,752.81 × 42,752.81
4. Step 4: Simplify right side
   31,672.69x = 1,827,802,976.66
5. Step 5: Solve for x
   x = 1,827,802,976.66/31,672.69
6. Step 6: Final answer
   x = 57,709.12