Finding the Third Proportional to 4,864.78 and 10,645.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,864.78 : 10,645.31 = 10,645.31 : x
2. Step 2: Convert to fraction form
   4,864.78/10,645.31 = 10,645.31/x
3. Step 3: Cross multiply
   4,864.78x = 10,645.31 × 10,645.31
4. Step 4: Simplify right side
   4,864.78x = 113,322,678.22
5. Step 5: Solve for x
   x = 113,322,678.22/4,864.78
6. Step 6: Final answer
   x = 23,294.51