Finding the Third Proportional to 4,649,858 and 9,852,864

Step by Step Solution

1. Step 1: Write the proportion equation
   4,649,858 : 9,852,864 = 9,852,864 : x
2. Step 2: Convert to fraction form
   4,649,858/9,852,864 = 9,852,864/x
3. Step 3: Cross multiply
   4,649,858x = 9,852,864 × 9,852,864
4. Step 4: Simplify right side
   4,649,858x = 97,078,929,002,496
5. Step 5: Solve for x
   x = 97,078,929,002,496/4,649,858
6. Step 6: Final answer
   x = 20,877,826.59