Finding the Third Proportional to 11,864.81 and 25,871.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,864.81 : 25,871.06 = 25,871.06 : x
2. Step 2: Convert to fraction form
   11,864.81/25,871.06 = 25,871.06/x
3. Step 3: Cross multiply
   11,864.81x = 25,871.06 × 25,871.06
4. Step 4: Simplify right side
   11,864.81x = 669,311,874.88
5. Step 5: Solve for x
   x = 669,311,874.88/11,864.81
6. Step 6: Final answer
   x = 56,411.50