Finding the Third Proportional to 3,621,109 and 7,539,812

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,109 : 7,539,812 = 7,539,812 : x
2. Step 2: Convert to fraction form
   3,621,109/7,539,812 = 7,539,812/x
3. Step 3: Cross multiply
   3,621,109x = 7,539,812 × 7,539,812
4. Step 4: Simplify right side
   3,621,109x = 56,848,764,995,344
5. Step 5: Solve for x
   x = 56,848,764,995,344/3,621,109
6. Step 6: Final answer
   x = 15,699,269.20