Finding the Third Proportional to 1,439.86 and 2,302.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439.86 : 2,302.17 = 2,302.17 : x
2. Step 2: Convert to fraction form
   1,439.86/2,302.17 = 2,302.17/x
3. Step 3: Cross multiply
   1,439.86x = 2,302.17 × 2,302.17
4. Step 4: Simplify right side
   1,439.86x = 5,299,995.34
5. Step 5: Solve for x
   x = 5,299,995.34/1,439.86
6. Step 6: Final answer
   x = 3,680.91