Finding the Third Proportional to 4,746,128 and 9,828,714

Step by Step Solution

1. Step 1: Write the proportion equation
   4,746,128 : 9,828,714 = 9,828,714 : x
2. Step 2: Convert to fraction form
   4,746,128/9,828,714 = 9,828,714/x
3. Step 3: Cross multiply
   4,746,128x = 9,828,714 × 9,828,714
4. Step 4: Simplify right side
   4,746,128x = 96,603,618,893,796
5. Step 5: Solve for x
   x = 96,603,618,893,796/4,746,128
6. Step 6: Final answer
   x = 20,354,195.86