Finding the Third Proportional to 741,446 and 1,618,810

Step by Step Solution

1. Step 1: Write the proportion equation
   741,446 : 1,618,810 = 1,618,810 : x
2. Step 2: Convert to fraction form
   741,446/1,618,810 = 1,618,810/x
3. Step 3: Cross multiply
   741,446x = 1,618,810 × 1,618,810
4. Step 4: Simplify right side
   741,446x = 2,620,545,816,100
5. Step 5: Solve for x
   x = 2,620,545,816,100/741,446
6. Step 6: Final answer
   x = 3,534,371.78