Finding the Third Proportional to 12,211.25 and 26,609.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,211.25 : 26,609.63 = 26,609.63 : x
2. Step 2: Convert to fraction form
   12,211.25/26,609.63 = 26,609.63/x
3. Step 3: Cross multiply
   12,211.25x = 26,609.63 × 26,609.63
4. Step 4: Simplify right side
   12,211.25x = 708,072,142.64
5. Step 5: Solve for x
   x = 708,072,142.64/12,211.25
6. Step 6: Final answer
   x = 57,985.23