Finding the Third Proportional to 4,103,964 and 8,908,857

Step by Step Solution

1. Step 1: Write the proportion equation
   4,103,964 : 8,908,857 = 8,908,857 : x
2. Step 2: Convert to fraction form
   4,103,964/8,908,857 = 8,908,857/x
3. Step 3: Cross multiply
   4,103,964x = 8,908,857 × 8,908,857
4. Step 4: Simplify right side
   4,103,964x = 79,367,733,046,449
5. Step 5: Solve for x
   x = 79,367,733,046,449/4,103,964
6. Step 6: Final answer
   x = 19,339,285.88