Finding the Third Proportional to 1,666,491 and 3,581,583

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,491 : 3,581,583 = 3,581,583 : x
2. Step 2: Convert to fraction form
   1,666,491/3,581,583 = 3,581,583/x
3. Step 3: Cross multiply
   1,666,491x = 3,581,583 × 3,581,583
4. Step 4: Simplify right side
   1,666,491x = 12,827,736,785,889
5. Step 5: Solve for x
   x = 12,827,736,785,889/1,666,491
6. Step 6: Final answer
   x = 7,697,453.38