Finding the Third Proportional to 3,662 and 5,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662 : 5,412.50 = 5,412.50 : x
2. Step 2: Convert to fraction form
   3,662/5,412.50 = 5,412.50/x
3. Step 3: Cross multiply
   3,662x = 5,412.50 × 5,412.50
4. Step 4: Simplify right side
   3,662x = 29,295,156.25
5. Step 5: Solve for x
   x = 29,295,156.25/3,662
6. Step 6: Final answer
   x = 7,999.77