Finding the Third Proportional to 3,659,912 and 7,949,857

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659,912 : 7,949,857 = 7,949,857 : x
2. Step 2: Convert to fraction form
   3,659,912/7,949,857 = 7,949,857/x
3. Step 3: Cross multiply
   3,659,912x = 7,949,857 × 7,949,857
4. Step 4: Simplify right side
   3,659,912x = 63,200,226,320,449
5. Step 5: Solve for x
   x = 63,200,226,320,449/3,659,912
6. Step 6: Final answer
   x = 17,268,236.59