Finding the Third Proportional to 1,666,661 and 2,359,861

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,661 : 2,359,861 = 2,359,861 : x
2. Step 2: Convert to fraction form
   1,666,661/2,359,861 = 2,359,861/x
3. Step 3: Cross multiply
   1,666,661x = 2,359,861 × 2,359,861
4. Step 4: Simplify right side
   1,666,661x = 5,568,943,939,321
5. Step 5: Solve for x
   x = 5,568,943,939,321/1,666,661
6. Step 6: Final answer
   x = 3,341,377.72