Finding the Third Proportional to 4,486,520 and 9,785,055

Step by Step Solution

1. Step 1: Write the proportion equation
   4,486,520 : 9,785,055 = 9,785,055 : x
2. Step 2: Convert to fraction form
   4,486,520/9,785,055 = 9,785,055/x
3. Step 3: Cross multiply
   4,486,520x = 9,785,055 × 9,785,055
4. Step 4: Simplify right side
   4,486,520x = 95,747,301,353,025
5. Step 5: Solve for x
   x = 95,747,301,353,025/4,486,520
6. Step 6: Final answer
   x = 21,341,106.55