Finding the Third Proportional to 3,729,280 and 8,167,256

Step by Step Solution

1. Step 1: Write the proportion equation
   3,729,280 : 8,167,256 = 8,167,256 : x
2. Step 2: Convert to fraction form
   3,729,280/8,167,256 = 8,167,256/x
3. Step 3: Cross multiply
   3,729,280x = 8,167,256 × 8,167,256
4. Step 4: Simplify right side
   3,729,280x = 66,704,070,569,536
5. Step 5: Solve for x
   x = 66,704,070,569,536/3,729,280
6. Step 6: Final answer
   x = 17,886,581.48