Finding the Third Proportional to 2,860.50 and 5,343

Step by Step Solution

1. Step 1: Write the proportion equation
   2,860.50 : 5,343 = 5,343 : x
2. Step 2: Convert to fraction form
   2,860.50/5,343 = 5,343/x
3. Step 3: Cross multiply
   2,860.50x = 5,343 × 5,343
4. Step 4: Simplify right side
   2,860.50x = 28,547,649
5. Step 5: Solve for x
   x = 28,547,649/2,860.50
6. Step 6: Final answer
   x = 9,979.95