Finding the Third Proportional to 4,494,469 and 9,905,105

Step by Step Solution

1. Step 1: Write the proportion equation
   4,494,469 : 9,905,105 = 9,905,105 : x
2. Step 2: Convert to fraction form
   4,494,469/9,905,105 = 9,905,105/x
3. Step 3: Cross multiply
   4,494,469x = 9,905,105 × 9,905,105
4. Step 4: Simplify right side
   4,494,469x = 98,111,105,061,025
5. Step 5: Solve for x
   x = 98,111,105,061,025/4,494,469
6. Step 6: Final answer
   x = 21,829,298.42