Finding the Third Proportional to 1,061,856 and 1,644,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,856 : 1,644,144 = 1,644,144 : x
2. Step 2: Convert to fraction form
   1,061,856/1,644,144 = 1,644,144/x
3. Step 3: Cross multiply
   1,061,856x = 1,644,144 × 1,644,144
4. Step 4: Simplify right side
   1,061,856x = 2,703,209,492,736
5. Step 5: Solve for x
   x = 2,703,209,492,736/1,061,856
6. Step 6: Final answer
   x = 2,545,740.19