Finding the Third Proportional to 10,313,472 and 21,856,338

Step by Step Solution

1. Step 1: Write the proportion equation
   10,313,472 : 21,856,338 = 21,856,338 : x
2. Step 2: Convert to fraction form
   10,313,472/21,856,338 = 21,856,338/x
3. Step 3: Cross multiply
   10,313,472x = 21,856,338 × 21,856,338
4. Step 4: Simplify right side
   10,313,472x = 477,699,510,770,244
5. Step 5: Solve for x
   x = 477,699,510,770,244/10,313,472
6. Step 6: Final answer
   x = 46,318,011.12