Finding the Third Proportional to 2,403.56 and 4,876.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.56 : 4,876.31 = 4,876.31 : x
2. Step 2: Convert to fraction form
   2,403.56/4,876.31 = 4,876.31/x
3. Step 3: Cross multiply
   2,403.56x = 4,876.31 × 4,876.31
4. Step 4: Simplify right side
   2,403.56x = 23,778,423.60
5. Step 5: Solve for x
   x = 23,778,423.60/2,403.56
6. Step 6: Final answer
   x = 9,892.99