Finding the Third Proportional to 1,282.92 and 1,384.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282.92 : 1,384.17 = 1,384.17 : x
2. Step 2: Convert to fraction form
   1,282.92/1,384.17 = 1,384.17/x
3. Step 3: Cross multiply
   1,282.92x = 1,384.17 × 1,384.17
4. Step 4: Simplify right side
   1,282.92x = 1,915,931.78
5. Step 5: Solve for x
   x = 1,915,931.78/1,282.92
6. Step 6: Final answer
   x = 1,493.41