Finding the Third Proportional to 3,782,740 and 8,208,486

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782,740 : 8,208,486 = 8,208,486 : x
2. Step 2: Convert to fraction form
   3,782,740/8,208,486 = 8,208,486/x
3. Step 3: Cross multiply
   3,782,740x = 8,208,486 × 8,208,486
4. Step 4: Simplify right side
   3,782,740x = 67,379,242,412,196
5. Step 5: Solve for x
   x = 67,379,242,412,196/3,782,740
6. Step 6: Final answer
   x = 17,812,284.85