Finding the Third Proportional to 741,436 and 1,618,790

Step by Step Solution

1. Step 1: Write the proportion equation
   741,436 : 1,618,790 = 1,618,790 : x
2. Step 2: Convert to fraction form
   741,436/1,618,790 = 1,618,790/x
3. Step 3: Cross multiply
   741,436x = 1,618,790 × 1,618,790
4. Step 4: Simplify right side
   741,436x = 2,620,481,064,100
5. Step 5: Solve for x
   x = 2,620,481,064,100/741,436
6. Step 6: Final answer
   x = 3,534,332.11