Finding the Third Proportional to 2,080.69 and 3,156.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.69 : 3,156.47 = 3,156.47 : x
2. Step 2: Convert to fraction form
   2,080.69/3,156.47 = 3,156.47/x
3. Step 3: Cross multiply
   2,080.69x = 3,156.47 × 3,156.47
4. Step 4: Simplify right side
   2,080.69x = 9,963,294.97
5. Step 5: Solve for x
   x = 9,963,294.97/2,080.69
6. Step 6: Final answer
   x = 4,788.46