Finding the Third Proportional to 31,445.25 and 42,727.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,445.25 : 42,727.88 = 42,727.88 : x
2. Step 2: Convert to fraction form
   31,445.25/42,727.88 = 42,727.88/x
3. Step 3: Cross multiply
   31,445.25x = 42,727.88 × 42,727.88
4. Step 4: Simplify right side
   31,445.25x = 1,825,671,302.02
5. Step 5: Solve for x
   x = 1,825,671,302.02/31,445.25
6. Step 6: Final answer
   x = 58,058.73