Finding the Third Proportional to 3,669,661 and 5,664,791

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,661 : 5,664,791 = 5,664,791 : x
2. Step 2: Convert to fraction form
   3,669,661/5,664,791 = 5,664,791/x
3. Step 3: Cross multiply
   3,669,661x = 5,664,791 × 5,664,791
4. Step 4: Simplify right side
   3,669,661x = 32,089,857,073,681
5. Step 5: Solve for x
   x = 32,089,857,073,681/3,669,661
6. Step 6: Final answer
   x = 8,744,638.01