Finding the Third Proportional to 4,913,638 and 10,632,128

Step by Step Solution

1. Step 1: Write the proportion equation
   4,913,638 : 10,632,128 = 10,632,128 : x
2. Step 2: Convert to fraction form
   4,913,638/10,632,128 = 10,632,128/x
3. Step 3: Cross multiply
   4,913,638x = 10,632,128 × 10,632,128
4. Step 4: Simplify right side
   4,913,638x = 113,042,145,808,384
5. Step 5: Solve for x
   x = 113,042,145,808,384/4,913,638
6. Step 6: Final answer
   x = 23,005,794.45