Finding the Third Proportional to 1,664,468 and 3,581,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,468 : 3,581,740 = 3,581,740 : x
2. Step 2: Convert to fraction form
   1,664,468/3,581,740 = 3,581,740/x
3. Step 3: Cross multiply
   1,664,468x = 3,581,740 × 3,581,740
4. Step 4: Simplify right side
   1,664,468x = 12,828,861,427,600
5. Step 5: Solve for x
   x = 12,828,861,427,600/1,664,468
6. Step 6: Final answer
   x = 7,707,484.57