Finding the Third Proportional to 3,874.50 and 5,312.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,874.50 : 5,312.25 = 5,312.25 : x
2. Step 2: Convert to fraction form
   3,874.50/5,312.25 = 5,312.25/x
3. Step 3: Cross multiply
   3,874.50x = 5,312.25 × 5,312.25
4. Step 4: Simplify right side
   3,874.50x = 28,220,000.06
5. Step 5: Solve for x
   x = 28,220,000.06/3,874.50
6. Step 6: Final answer
   x = 7,283.52