Finding the Third Proportional to 1,518.50 and 2,345.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.50 : 2,345.75 = 2,345.75 : x
2. Step 2: Convert to fraction form
   1,518.50/2,345.75 = 2,345.75/x
3. Step 3: Cross multiply
   1,518.50x = 2,345.75 × 2,345.75
4. Step 4: Simplify right side
   1,518.50x = 5,502,543.06
5. Step 5: Solve for x
   x = 5,502,543.06/1,518.50
6. Step 6: Final answer
   x = 3,623.67