Finding the Third Proportional to 1,917.42 and 3,116.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917.42 : 3,116.29 = 3,116.29 : x
2. Step 2: Convert to fraction form
   1,917.42/3,116.29 = 3,116.29/x
3. Step 3: Cross multiply
   1,917.42x = 3,116.29 × 3,116.29
4. Step 4: Simplify right side
   1,917.42x = 9,711,233.18
5. Step 5: Solve for x
   x = 9,711,233.18/1,917.42
6. Step 6: Final answer
   x = 5,064.73