Finding the Third Proportional to 726,164 and 1,084,872

Step by Step Solution

1. Step 1: Write the proportion equation
   726,164 : 1,084,872 = 1,084,872 : x
2. Step 2: Convert to fraction form
   726,164/1,084,872 = 1,084,872/x
3. Step 3: Cross multiply
   726,164x = 1,084,872 × 1,084,872
4. Step 4: Simplify right side
   726,164x = 1,176,947,256,384
5. Step 5: Solve for x
   x = 1,176,947,256,384/726,164
6. Step 6: Final answer
   x = 1,620,773.35