Finding the Third Proportional to 25,639.31 and 53,870.06

Step by Step Solution

1. Step 1: Write the proportion equation
   25,639.31 : 53,870.06 = 53,870.06 : x
2. Step 2: Convert to fraction form
   25,639.31/53,870.06 = 53,870.06/x
3. Step 3: Cross multiply
   25,639.31x = 53,870.06 × 53,870.06
4. Step 4: Simplify right side
   25,639.31x = 2,901,983,633.75
5. Step 5: Solve for x
   x = 2,901,983,633.75/25,639.31
6. Step 6: Final answer
   x = 113,184.92