Finding the Third Proportional to 3,986,910 and 5,979,066

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986,910 : 5,979,066 = 5,979,066 : x
2. Step 2: Convert to fraction form
   3,986,910/5,979,066 = 5,979,066/x
3. Step 3: Cross multiply
   3,986,910x = 5,979,066 × 5,979,066
4. Step 4: Simplify right side
   3,986,910x = 35,749,230,232,356
5. Step 5: Solve for x
   x = 35,749,230,232,356/3,986,910
6. Step 6: Final answer
   x = 8,966,650.92