Finding the Third Proportional to 3,986,906 and 5,979,111

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986,906 : 5,979,111 = 5,979,111 : x
2. Step 2: Convert to fraction form
   3,986,906/5,979,111 = 5,979,111/x
3. Step 3: Cross multiply
   3,986,906x = 5,979,111 × 5,979,111
4. Step 4: Simplify right side
   3,986,906x = 35,749,768,350,321
5. Step 5: Solve for x
   x = 35,749,768,350,321/3,986,906
6. Step 6: Final answer
   x = 8,966,794.89