Finding the Third Proportional to 541,638 and 1,173,672

Step by Step Solution

1. Step 1: Write the proportion equation
   541,638 : 1,173,672 = 1,173,672 : x
2. Step 2: Convert to fraction form
   541,638/1,173,672 = 1,173,672/x
3. Step 3: Cross multiply
   541,638x = 1,173,672 × 1,173,672
4. Step 4: Simplify right side
   541,638x = 1,377,505,963,584
5. Step 5: Solve for x
   x = 1,377,505,963,584/541,638
6. Step 6: Final answer
   x = 2,543,222.53