Finding the Third Proportional to 1,087.17 and 2,940.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.17 : 2,940.05 = 2,940.05 : x
2. Step 2: Convert to fraction form
   1,087.17/2,940.05 = 2,940.05/x
3. Step 3: Cross multiply
   1,087.17x = 2,940.05 × 2,940.05
4. Step 4: Simplify right side
   1,087.17x = 8,643,875.63
5. Step 5: Solve for x
   x = 8,643,875.63/1,087.17
6. Step 6: Final answer
   x = 7,950.79