Finding the Third Proportional to 3,883,542 and 8,256,972

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,542 : 8,256,972 = 8,256,972 : x
2. Step 2: Convert to fraction form
   3,883,542/8,256,972 = 8,256,972/x
3. Step 3: Cross multiply
   3,883,542x = 8,256,972 × 8,256,972
4. Step 4: Simplify right side
   3,883,542x = 68,177,586,608,784
5. Step 5: Solve for x
   x = 68,177,586,608,784/3,883,542
6. Step 6: Final answer
   x = 17,555,516.74