Finding the Third Proportional to 12,015.56 and 25,807.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,015.56 : 25,807.22 = 25,807.22 : x
2. Step 2: Convert to fraction form
   12,015.56/25,807.22 = 25,807.22/x
3. Step 3: Cross multiply
   12,015.56x = 25,807.22 × 25,807.22
4. Step 4: Simplify right side
   12,015.56x = 666,012,539.61
5. Step 5: Solve for x
   x = 666,012,539.61/12,015.56
6. Step 6: Final answer
   x = 55,429.16