Finding the Third Proportional to 3,979,449 and 8,526,708

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,449 : 8,526,708 = 8,526,708 : x
2. Step 2: Convert to fraction form
   3,979,449/8,526,708 = 8,526,708/x
3. Step 3: Cross multiply
   3,979,449x = 8,526,708 × 8,526,708
4. Step 4: Simplify right side
   3,979,449x = 72,704,749,317,264
5. Step 5: Solve for x
   x = 72,704,749,317,264/3,979,449
6. Step 6: Final answer
   x = 18,270,054.30