Finding the Third Proportional to 3,762,912 and 8,256,606

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762,912 : 8,256,606 = 8,256,606 : x
2. Step 2: Convert to fraction form
   3,762,912/8,256,606 = 8,256,606/x
3. Step 3: Cross multiply
   3,762,912x = 8,256,606 × 8,256,606
4. Step 4: Simplify right side
   3,762,912x = 68,171,542,639,236
5. Step 5: Solve for x
   x = 68,171,542,639,236/3,762,912
6. Step 6: Final answer
   x = 18,116,698.62