Finding the Third Proportional to 412,783 and 843,061

Step by Step Solution

1. Step 1: Write the proportion equation
   412,783 : 843,061 = 843,061 : x
2. Step 2: Convert to fraction form
   412,783/843,061 = 843,061/x
3. Step 3: Cross multiply
   412,783x = 843,061 × 843,061
4. Step 4: Simplify right side
   412,783x = 710,751,849,721
5. Step 5: Solve for x
   x = 710,751,849,721/412,783
6. Step 6: Final answer
   x = 1,721,853.49