Finding the Third Proportional to 5,386.31 and 8,047.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,386.31 : 8,047.08 = 8,047.08 : x
2. Step 2: Convert to fraction form
   5,386.31/8,047.08 = 8,047.08/x
3. Step 3: Cross multiply
   5,386.31x = 8,047.08 × 8,047.08
4. Step 4: Simplify right side
   5,386.31x = 64,755,466.35
5. Step 5: Solve for x
   x = 64,755,466.35/5,386.31
6. Step 6: Final answer
   x = 12,022.23