Finding the Third Proportional to 4,387,326 and 9,782,868

Step by Step Solution

1. Step 1: Write the proportion equation
   4,387,326 : 9,782,868 = 9,782,868 : x
2. Step 2: Convert to fraction form
   4,387,326/9,782,868 = 9,782,868/x
3. Step 3: Cross multiply
   4,387,326x = 9,782,868 × 9,782,868
4. Step 4: Simplify right side
   4,387,326x = 95,704,506,305,424
5. Step 5: Solve for x
   x = 95,704,506,305,424/4,387,326
6. Step 6: Final answer
   x = 21,813,857.99