Finding the Third Proportional to 17,620.88 and 26,425.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.88 : 26,425.69 = 26,425.69 : x
2. Step 2: Convert to fraction form
   17,620.88/26,425.69 = 26,425.69/x
3. Step 3: Cross multiply
   17,620.88x = 26,425.69 × 26,425.69
4. Step 4: Simplify right side
   17,620.88x = 698,316,959.85
5. Step 5: Solve for x
   x = 698,316,959.85/17,620.88
6. Step 6: Final answer
   x = 39,630.10