Finding the Third Proportional to 4,010,508 and 8,660,318

Step by Step Solution

1. Step 1: Write the proportion equation
   4,010,508 : 8,660,318 = 8,660,318 : x
2. Step 2: Convert to fraction form
   4,010,508/8,660,318 = 8,660,318/x
3. Step 3: Cross multiply
   4,010,508x = 8,660,318 × 8,660,318
4. Step 4: Simplify right side
   4,010,508x = 75,001,107,861,124
5. Step 5: Solve for x
   x = 75,001,107,861,124/4,010,508
6. Step 6: Final answer
   x = 18,701,149.05