Finding the Third Proportional to 15,862.31 and 22,317.88

Step by Step Solution

1. Step 1: Write the proportion equation
   15,862.31 : 22,317.88 = 22,317.88 : x
2. Step 2: Convert to fraction form
   15,862.31/22,317.88 = 22,317.88/x
3. Step 3: Cross multiply
   15,862.31x = 22,317.88 × 22,317.88
4. Step 4: Simplify right side
   15,862.31x = 498,087,544.52
5. Step 5: Solve for x
   x = 498,087,544.52/15,862.31
6. Step 6: Final answer
   x = 31,400.69