Finding the Third Proportional to 12,166.31 and 26,231.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,166.31 : 26,231.06 = 26,231.06 : x
2. Step 2: Convert to fraction form
   12,166.31/26,231.06 = 26,231.06/x
3. Step 3: Cross multiply
   12,166.31x = 26,231.06 × 26,231.06
4. Step 4: Simplify right side
   12,166.31x = 688,068,639.88
5. Step 5: Solve for x
   x = 688,068,639.88/12,166.31
6. Step 6: Final answer
   x = 56,555.23