Finding the Third Proportional to 3,986,908 and 5,979,063

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986,908 : 5,979,063 = 5,979,063 : x
2. Step 2: Convert to fraction form
   3,986,908/5,979,063 = 5,979,063/x
3. Step 3: Cross multiply
   3,986,908x = 5,979,063 × 5,979,063
4. Step 4: Simplify right side
   3,986,908x = 35,749,194,357,969
5. Step 5: Solve for x
   x = 35,749,194,357,969/3,986,908
6. Step 6: Final answer
   x = 8,966,646.42