Finding the Third Proportional to 2,670.47 and 5,718.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.47 : 5,718.09 = 5,718.09 : x
2. Step 2: Convert to fraction form
   2,670.47/5,718.09 = 5,718.09/x
3. Step 3: Cross multiply
   2,670.47x = 5,718.09 × 5,718.09
4. Step 4: Simplify right side
   2,670.47x = 32,696,596.13
5. Step 5: Solve for x
   x = 32,696,596.13/2,670.47
6. Step 6: Final answer
   x = 12,243.77