Finding the Third Proportional to 2,470.50 and 5,487.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.50 : 5,487.75 = 5,487.75 : x
2. Step 2: Convert to fraction form
   2,470.50/5,487.75 = 5,487.75/x
3. Step 3: Cross multiply
   2,470.50x = 5,487.75 × 5,487.75
4. Step 4: Simplify right side
   2,470.50x = 30,115,400.06
5. Step 5: Solve for x
   x = 30,115,400.06/2,470.50
6. Step 6: Final answer
   x = 12,190.00