Finding the Third Proportional to 1,156.50 and 1,518.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.50 : 1,518.38 = 1,518.38 : x
2. Step 2: Convert to fraction form
   1,156.50/1,518.38 = 1,518.38/x
3. Step 3: Cross multiply
   1,156.50x = 1,518.38 × 1,518.38
4. Step 4: Simplify right side
   1,156.50x = 2,305,462.64
5. Step 5: Solve for x
   x = 2,305,462.64/1,156.50
6. Step 6: Final answer
   x = 1,993.48