Finding the Third Proportional to 849.94 and 1,300.15

Step by Step Solution

1. Step 1: Write the proportion equation
   849.94 : 1,300.15 = 1,300.15 : x
2. Step 2: Convert to fraction form
   849.94/1,300.15 = 1,300.15/x
3. Step 3: Cross multiply
   849.94x = 1,300.15 × 1,300.15
4. Step 4: Simplify right side
   849.94x = 1,690,385.96
5. Step 5: Solve for x
   x = 1,690,385.96/849.94
6. Step 6: Final answer
   x = 1,988.84