Finding the Third Proportional to 10,313,436.38 and 21,856,285.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,313,436.38 : 21,856,285.69 = 21,856,285.69 : x
2. Step 2: Convert to fraction form
   10,313,436.38/21,856,285.69 = 21,856,285.69/x
3. Step 3: Cross multiply
   10,313,436.38x = 21,856,285.69 × 21,856,285.69
4. Step 4: Simplify right side
   10,313,436.38x = 477,697,224,053,617.38
5. Step 5: Solve for x
   x = 477,697,224,053,617.38/10,313,436.38
6. Step 6: Final answer
   x = 46,317,949.39