Finding the Third Proportional to 2,173 and 5,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173 : 5,124.50 = 5,124.50 : x
2. Step 2: Convert to fraction form
   2,173/5,124.50 = 5,124.50/x
3. Step 3: Cross multiply
   2,173x = 5,124.50 × 5,124.50
4. Step 4: Simplify right side
   2,173x = 26,260,500.25
5. Step 5: Solve for x
   x = 26,260,500.25/2,173
6. Step 6: Final answer
   x = 12,084.91