Finding the Third Proportional to 4,065,404 and 8,839,368

Step by Step Solution

1. Step 1: Write the proportion equation
   4,065,404 : 8,839,368 = 8,839,368 : x
2. Step 2: Convert to fraction form
   4,065,404/8,839,368 = 8,839,368/x
3. Step 3: Cross multiply
   4,065,404x = 8,839,368 × 8,839,368
4. Step 4: Simplify right side
   4,065,404x = 78,134,426,639,424
5. Step 5: Solve for x
   x = 78,134,426,639,424/4,065,404
6. Step 6: Final answer
   x = 19,219,351.05