Finding the Third Proportional to 9,786,106 and 20,464,508

Step by Step Solution

1. Step 1: Write the proportion equation
   9,786,106 : 20,464,508 = 20,464,508 : x
2. Step 2: Convert to fraction form
   9,786,106/20,464,508 = 20,464,508/x
3. Step 3: Cross multiply
   9,786,106x = 20,464,508 × 20,464,508
4. Step 4: Simplify right side
   9,786,106x = 418,796,087,682,064
5. Step 5: Solve for x
   x = 418,796,087,682,064/9,786,106
6. Step 6: Final answer
   x = 42,794,967.44