Finding the Third Proportional to 1,081,932 and 1,684,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,932 : 1,684,128 = 1,684,128 : x
2. Step 2: Convert to fraction form
   1,081,932/1,684,128 = 1,684,128/x
3. Step 3: Cross multiply
   1,081,932x = 1,684,128 × 1,684,128
4. Step 4: Simplify right side
   1,081,932x = 2,836,287,120,384
5. Step 5: Solve for x
   x = 2,836,287,120,384/1,081,932
6. Step 6: Final answer
   x = 2,621,502.20