Finding the Third Proportional to 6,987 and 13,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,987 : 13,069.50 = 13,069.50 : x
2. Step 2: Convert to fraction form
   6,987/13,069.50 = 13,069.50/x
3. Step 3: Cross multiply
   6,987x = 13,069.50 × 13,069.50
4. Step 4: Simplify right side
   6,987x = 170,811,830.25
5. Step 5: Solve for x
   x = 170,811,830.25/6,987
6. Step 6: Final answer
   x = 24,447.09