Finding the Third Proportional to 2,345.25 and 4,989

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.25 : 4,989 = 4,989 : x
2. Step 2: Convert to fraction form
   2,345.25/4,989 = 4,989/x
3. Step 3: Cross multiply
   2,345.25x = 4,989 × 4,989
4. Step 4: Simplify right side
   2,345.25x = 24,890,121
5. Step 5: Solve for x
   x = 24,890,121/2,345.25
6. Step 6: Final answer
   x = 10,612.99