Finding the Third Proportional to 10,216.13 and 25,439.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.13 : 25,439.06 = 25,439.06 : x
2. Step 2: Convert to fraction form
   10,216.13/25,439.06 = 25,439.06/x
3. Step 3: Cross multiply
   10,216.13x = 25,439.06 × 25,439.06
4. Step 4: Simplify right side
   10,216.13x = 647,145,900.88
5. Step 5: Solve for x
   x = 647,145,900.88/10,216.13
6. Step 6: Final answer
   x = 63,345.53