Finding the Third Proportional to 3,990,146 and 6,191,064

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990,146 : 6,191,064 = 6,191,064 : x
2. Step 2: Convert to fraction form
   3,990,146/6,191,064 = 6,191,064/x
3. Step 3: Cross multiply
   3,990,146x = 6,191,064 × 6,191,064
4. Step 4: Simplify right side
   3,990,146x = 38,329,273,452,096
5. Step 5: Solve for x
   x = 38,329,273,452,096/3,990,146
6. Step 6: Final answer
   x = 9,605,982.70