Finding the Third Proportional to 17,866.50 and 31,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,866.50 : 31,813.50 = 31,813.50 : x
2. Step 2: Convert to fraction form
   17,866.50/31,813.50 = 31,813.50/x
3. Step 3: Cross multiply
   17,866.50x = 31,813.50 × 31,813.50
4. Step 4: Simplify right side
   17,866.50x = 1,012,098,782.25
5. Step 5: Solve for x
   x = 1,012,098,782.25/17,866.50
6. Step 6: Final answer
   x = 56,647.85