Finding the Third Proportional to 3,979,456 and 8,526,722

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,456 : 8,526,722 = 8,526,722 : x
2. Step 2: Convert to fraction form
   3,979,456/8,526,722 = 8,526,722/x
3. Step 3: Cross multiply
   3,979,456x = 8,526,722 × 8,526,722
4. Step 4: Simplify right side
   3,979,456x = 72,704,988,065,284
5. Step 5: Solve for x
   x = 72,704,988,065,284/3,979,456
6. Step 6: Final answer
   x = 18,270,082.16