Finding the Third Proportional to 2,086.13 and 2,916.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.13 : 2,916.56 = 2,916.56 : x
2. Step 2: Convert to fraction form
   2,086.13/2,916.56 = 2,916.56/x
3. Step 3: Cross multiply
   2,086.13x = 2,916.56 × 2,916.56
4. Step 4: Simplify right side
   2,086.13x = 8,506,336.82
5. Step 5: Solve for x
   x = 8,506,336.82/2,086.13
6. Step 6: Final answer
   x = 4,077.58