Finding the Third Proportional to 741,455 and 1,618,828

Step by Step Solution

1. Step 1: Write the proportion equation
   741,455 : 1,618,828 = 1,618,828 : x
2. Step 2: Convert to fraction form
   741,455/1,618,828 = 1,618,828/x
3. Step 3: Cross multiply
   741,455x = 1,618,828 × 1,618,828
4. Step 4: Simplify right side
   741,455x = 2,620,604,093,584
5. Step 5: Solve for x
   x = 2,620,604,093,584/741,455
6. Step 6: Final answer
   x = 3,534,407.47