Finding the Third Proportional to 2,245.64 and 4,885.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.64 : 4,885.31 = 4,885.31 : x
2. Step 2: Convert to fraction form
   2,245.64/4,885.31 = 4,885.31/x
3. Step 3: Cross multiply
   2,245.64x = 4,885.31 × 4,885.31
4. Step 4: Simplify right side
   2,245.64x = 23,866,278.22
5. Step 5: Solve for x
   x = 23,866,278.22/2,245.64
6. Step 6: Final answer
   x = 10,627.83