Finding the Third Proportional to 2,065,205 and 4,376,578

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,205 : 4,376,578 = 4,376,578 : x
2. Step 2: Convert to fraction form
   2,065,205/4,376,578 = 4,376,578/x
3. Step 3: Cross multiply
   2,065,205x = 4,376,578 × 4,376,578
4. Step 4: Simplify right side
   2,065,205x = 19,154,434,990,084
5. Step 5: Solve for x
   x = 19,154,434,990,084/2,065,205
6. Step 6: Final answer
   x = 9,274,834.70