Finding the Third Proportional to 4,416,960 and 9,019,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,416,960 : 9,019,680 = 9,019,680 : x
2. Step 2: Convert to fraction form
   4,416,960/9,019,680 = 9,019,680/x
3. Step 3: Cross multiply
   4,416,960x = 9,019,680 × 9,019,680
4. Step 4: Simplify right side
   4,416,960x = 81,354,627,302,400
5. Step 5: Solve for x
   x = 81,354,627,302,400/4,416,960
6. Step 6: Final answer
   x = 18,418,692.34