Finding the Third Proportional to 3,990,156 and 6,191,078

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990,156 : 6,191,078 = 6,191,078 : x
2. Step 2: Convert to fraction form
   3,990,156/6,191,078 = 6,191,078/x
3. Step 3: Cross multiply
   3,990,156x = 6,191,078 × 6,191,078
4. Step 4: Simplify right side
   3,990,156x = 38,329,446,802,084
5. Step 5: Solve for x
   x = 38,329,446,802,084/3,990,156
6. Step 6: Final answer
   x = 9,606,002.07