Finding the Third Proportional to 17,488.50 and 38,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,488.50 : 38,932.50 = 38,932.50 : x
2. Step 2: Convert to fraction form
   17,488.50/38,932.50 = 38,932.50/x
3. Step 3: Cross multiply
   17,488.50x = 38,932.50 × 38,932.50
4. Step 4: Simplify right side
   17,488.50x = 1,515,739,556.25
5. Step 5: Solve for x
   x = 1,515,739,556.25/17,488.50
6. Step 6: Final answer
   x = 86,670.64