Finding the Third Proportional to 3,076 and 7,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,076 : 7,221.50 = 7,221.50 : x
2. Step 2: Convert to fraction form
   3,076/7,221.50 = 7,221.50/x
3. Step 3: Cross multiply
   3,076x = 7,221.50 × 7,221.50
4. Step 4: Simplify right side
   3,076x = 52,150,062.25
5. Step 5: Solve for x
   x = 52,150,062.25/3,076
6. Step 6: Final answer
   x = 16,953.86