Finding the Third Proportional to 17,289 and 39,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,289 : 39,066.50 = 39,066.50 : x
2. Step 2: Convert to fraction form
   17,289/39,066.50 = 39,066.50/x
3. Step 3: Cross multiply
   17,289x = 39,066.50 × 39,066.50
4. Step 4: Simplify right side
   17,289x = 1,526,191,422.25
5. Step 5: Solve for x
   x = 1,526,191,422.25/17,289
6. Step 6: Final answer
   x = 88,275.29