Finding the Third Proportional to 1,728,888 and 2,617,198

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,888 : 2,617,198 = 2,617,198 : x
2. Step 2: Convert to fraction form
   1,728,888/2,617,198 = 2,617,198/x
3. Step 3: Cross multiply
   1,728,888x = 2,617,198 × 2,617,198
4. Step 4: Simplify right side
   1,728,888x = 6,849,725,371,204
5. Step 5: Solve for x
   x = 6,849,725,371,204/1,728,888
6. Step 6: Final answer
   x = 3,961,925.45