Finding the Third Proportional to 840,174 and 1,843,644

Step by Step Solution

1. Step 1: Write the proportion equation
   840,174 : 1,843,644 = 1,843,644 : x
2. Step 2: Convert to fraction form
   840,174/1,843,644 = 1,843,644/x
3. Step 3: Cross multiply
   840,174x = 1,843,644 × 1,843,644
4. Step 4: Simplify right side
   840,174x = 3,399,023,198,736
5. Step 5: Solve for x
   x = 3,399,023,198,736/840,174
6. Step 6: Final answer
   x = 4,045,618.17