Finding the Third Proportional to 1,018.88 and 1,384.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.88 : 1,384.13 = 1,384.13 : x
2. Step 2: Convert to fraction form
   1,018.88/1,384.13 = 1,384.13/x
3. Step 3: Cross multiply
   1,018.88x = 1,384.13 × 1,384.13
4. Step 4: Simplify right side
   1,018.88x = 1,915,802.02
5. Step 5: Solve for x
   x = 1,915,802.02/1,018.88
6. Step 6: Final answer
   x = 1,880.31