Finding the Third Proportional to 17,868 and 38,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868 : 38,107.50 = 38,107.50 : x
2. Step 2: Convert to fraction form
   17,868/38,107.50 = 38,107.50/x
3. Step 3: Cross multiply
   17,868x = 38,107.50 × 38,107.50
4. Step 4: Simplify right side
   17,868x = 1,452,181,556.25
5. Step 5: Solve for x
   x = 1,452,181,556.25/17,868
6. Step 6: Final answer
   x = 81,272.75