Finding the Third Proportional to 4,814,684 and 7,479,120

Step by Step Solution

1. Step 1: Write the proportion equation
   4,814,684 : 7,479,120 = 7,479,120 : x
2. Step 2: Convert to fraction form
   4,814,684/7,479,120 = 7,479,120/x
3. Step 3: Cross multiply
   4,814,684x = 7,479,120 × 7,479,120
4. Step 4: Simplify right side
   4,814,684x = 55,937,235,974,400
5. Step 5: Solve for x
   x = 55,937,235,974,400/4,814,684
6. Step 6: Final answer
   x = 11,618,049.28