Finding the Third Proportional to 4,983.50 and 7,931

Step by Step Solution

1. Step 1: Write the proportion equation
   4,983.50 : 7,931 = 7,931 : x
2. Step 2: Convert to fraction form
   4,983.50/7,931 = 7,931/x
3. Step 3: Cross multiply
   4,983.50x = 7,931 × 7,931
4. Step 4: Simplify right side
   4,983.50x = 62,900,761
5. Step 5: Solve for x
   x = 62,900,761/4,983.50
6. Step 6: Final answer
   x = 12,621.80