Finding the Third Proportional to 17,925.75 and 39,425.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,925.75 : 39,425.63 = 39,425.63 : x
2. Step 2: Convert to fraction form
   17,925.75/39,425.63 = 39,425.63/x
3. Step 3: Cross multiply
   17,925.75x = 39,425.63 × 39,425.63
4. Step 4: Simplify right side
   17,925.75x = 1,554,379,906.64
5. Step 5: Solve for x
   x = 1,554,379,906.64/17,925.75
6. Step 6: Final answer
   x = 86,712.13