Finding the Third Proportional to 19,959.75 and 31,870.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,959.75 : 31,870.13 = 31,870.13 : x
2. Step 2: Convert to fraction form
   19,959.75/31,870.13 = 31,870.13/x
3. Step 3: Cross multiply
   19,959.75x = 31,870.13 × 31,870.13
4. Step 4: Simplify right side
   19,959.75x = 1,015,704,867.52
5. Step 5: Solve for x
   x = 1,015,704,867.52/19,959.75
6. Step 6: Final answer
   x = 50,887.65