Finding the Third Proportional to 8,809.88 and 12,526.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,809.88 : 12,526.31 = 12,526.31 : x
2. Step 2: Convert to fraction form
   8,809.88/12,526.31 = 12,526.31/x
3. Step 3: Cross multiply
   8,809.88x = 12,526.31 × 12,526.31
4. Step 4: Simplify right side
   8,809.88x = 156,908,504.85
5. Step 5: Solve for x
   x = 156,908,504.85/8,809.88
6. Step 6: Final answer
   x = 17,810.53