Finding the Third Proportional to 4,486,328 and 9,784,682

Step by Step Solution

1. Step 1: Write the proportion equation
   4,486,328 : 9,784,682 = 9,784,682 : x
2. Step 2: Convert to fraction form
   4,486,328/9,784,682 = 9,784,682/x
3. Step 3: Cross multiply
   4,486,328x = 9,784,682 × 9,784,682
4. Step 4: Simplify right side
   4,486,328x = 95,740,001,841,124
5. Step 5: Solve for x
   x = 95,740,001,841,124/4,486,328
6. Step 6: Final answer
   x = 21,340,392.82