Finding the Third Proportional to 1,095,172 and 1,638,302

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095,172 : 1,638,302 = 1,638,302 : x
2. Step 2: Convert to fraction form
   1,095,172/1,638,302 = 1,638,302/x
3. Step 3: Cross multiply
   1,095,172x = 1,638,302 × 1,638,302
4. Step 4: Simplify right side
   1,095,172x = 2,684,033,443,204
5. Step 5: Solve for x
   x = 2,684,033,443,204/1,095,172
6. Step 6: Final answer
   x = 2,450,787.13