Finding the Third Proportional to 3,318,480 and 7,091,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,318,480 : 7,091,856 = 7,091,856 : x
2. Step 2: Convert to fraction form
   3,318,480/7,091,856 = 7,091,856/x
3. Step 3: Cross multiply
   3,318,480x = 7,091,856 × 7,091,856
4. Step 4: Simplify right side
   3,318,480x = 50,294,421,524,736
5. Step 5: Solve for x
   x = 50,294,421,524,736/3,318,480
6. Step 6: Final answer
   x = 15,155,860.97