Finding the Third Proportional to 26,899.31 and 54,986.63

Step by Step Solution

1. Step 1: Write the proportion equation
   26,899.31 : 54,986.63 = 54,986.63 : x
2. Step 2: Convert to fraction form
   26,899.31/54,986.63 = 54,986.63/x
3. Step 3: Cross multiply
   26,899.31x = 54,986.63 × 54,986.63
4. Step 4: Simplify right side
   26,899.31x = 3,023,528,928.89
5. Step 5: Solve for x
   x = 3,023,528,928.89/26,899.31
6. Step 6: Final answer
   x = 112,401.72