Finding the Third Proportional to 1,081,938 and 1,684,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,938 : 1,684,137 = 1,684,137 : x
2. Step 2: Convert to fraction form
   1,081,938/1,684,137 = 1,684,137/x
3. Step 3: Cross multiply
   1,081,938x = 1,684,137 × 1,684,137
4. Step 4: Simplify right side
   1,081,938x = 2,836,317,434,769
5. Step 5: Solve for x
   x = 2,836,317,434,769/1,081,938
6. Step 6: Final answer
   x = 2,621,515.68