Finding the Third Proportional to 2,547 and 5,551.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547 : 5,551.31 = 5,551.31 : x
2. Step 2: Convert to fraction form
   2,547/5,551.31 = 5,551.31/x
3. Step 3: Cross multiply
   2,547x = 5,551.31 × 5,551.31
4. Step 4: Simplify right side
   2,547x = 30,817,070.47
5. Step 5: Solve for x
   x = 30,817,070.47/2,547
6. Step 6: Final answer
   x = 12,099.36