Finding the Third Proportional to 741,406 and 1,618,730

Step by Step Solution

1. Step 1: Write the proportion equation
   741,406 : 1,618,730 = 1,618,730 : x
2. Step 2: Convert to fraction form
   741,406/1,618,730 = 1,618,730/x
3. Step 3: Cross multiply
   741,406x = 1,618,730 × 1,618,730
4. Step 4: Simplify right side
   741,406x = 2,620,286,812,900
5. Step 5: Solve for x
   x = 2,620,286,812,900/741,406
6. Step 6: Final answer
   x = 3,534,213.12