Finding the Third Proportional to 3,500,148 and 5,490,698

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500,148 : 5,490,698 = 5,490,698 : x
2. Step 2: Convert to fraction form
   3,500,148/5,490,698 = 5,490,698/x
3. Step 3: Cross multiply
   3,500,148x = 5,490,698 × 5,490,698
4. Step 4: Simplify right side
   3,500,148x = 30,147,764,527,204
5. Step 5: Solve for x
   x = 30,147,764,527,204/3,500,148
6. Step 6: Final answer
   x = 8,613,282.79