Finding the Third Proportional to 381,849 and 754,061

Step by Step Solution

1. Step 1: Write the proportion equation
   381,849 : 754,061 = 754,061 : x
2. Step 2: Convert to fraction form
   381,849/754,061 = 754,061/x
3. Step 3: Cross multiply
   381,849x = 754,061 × 754,061
4. Step 4: Simplify right side
   381,849x = 568,607,991,721
5. Step 5: Solve for x
   x = 568,607,991,721/381,849
6. Step 6: Final answer
   x = 1,489,091.22