Finding the Third Proportional to 12,616.17 and 26,538.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,616.17 : 26,538.89 = 26,538.89 : x
2. Step 2: Convert to fraction form
   12,616.17/26,538.89 = 26,538.89/x
3. Step 3: Cross multiply
   12,616.17x = 26,538.89 × 26,538.89
4. Step 4: Simplify right side
   12,616.17x = 704,312,715.61
5. Step 5: Solve for x
   x = 704,312,715.61/12,616.17
6. Step 6: Final answer
   x = 55,826.18