Finding the Third Proportional to 2,520 and 4,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520 : 4,810.50 = 4,810.50 : x
2. Step 2: Convert to fraction form
   2,520/4,810.50 = 4,810.50/x
3. Step 3: Cross multiply
   2,520x = 4,810.50 × 4,810.50
4. Step 4: Simplify right side
   2,520x = 23,140,910.25
5. Step 5: Solve for x
   x = 23,140,910.25/2,520
6. Step 6: Final answer
   x = 9,182.90