Finding the Third Proportional to 2,126,321 and 4,547,698

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,321 : 4,547,698 = 4,547,698 : x
2. Step 2: Convert to fraction form
   2,126,321/4,547,698 = 4,547,698/x
3. Step 3: Cross multiply
   2,126,321x = 4,547,698 × 4,547,698
4. Step 4: Simplify right side
   2,126,321x = 20,681,557,099,204
5. Step 5: Solve for x
   x = 20,681,557,099,204/2,126,321
6. Step 6: Final answer
   x = 9,726,451.04