Finding the Third Proportional to 4,794,864 and 10,200,000

Step by Step Solution

1. Step 1: Write the proportion equation
   4,794,864 : 10,200,000 = 10,200,000 : x
2. Step 2: Convert to fraction form
   4,794,864/10,200,000 = 10,200,000/x
3. Step 3: Cross multiply
   4,794,864x = 10,200,000 × 10,200,000
4. Step 4: Simplify right side
   4,794,864x = 104,040,000,000,000
5. Step 5: Solve for x
   x = 104,040,000,000,000/4,794,864
6. Step 6: Final answer
   x = 21,698,217.09