Finding the Third Proportional to 1,684,450 and 2,591,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,450 : 2,591,736 = 2,591,736 : x
2. Step 2: Convert to fraction form
   1,684,450/2,591,736 = 2,591,736/x
3. Step 3: Cross multiply
   1,684,450x = 2,591,736 × 2,591,736
4. Step 4: Simplify right side
   1,684,450x = 6,717,095,493,696
5. Step 5: Solve for x
   x = 6,717,095,493,696/1,684,450
6. Step 6: Final answer
   x = 3,987,708.45