Finding the Third Proportional to 1,942,564 and 4,121,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942,564 : 4,121,828 = 4,121,828 : x
2. Step 2: Convert to fraction form
   1,942,564/4,121,828 = 4,121,828/x
3. Step 3: Cross multiply
   1,942,564x = 4,121,828 × 4,121,828
4. Step 4: Simplify right side
   1,942,564x = 16,989,466,061,584
5. Step 5: Solve for x
   x = 16,989,466,061,584/1,942,564
6. Step 6: Final answer
   x = 8,745,897.72