Finding the Third Proportional to 1,779,440 and 4,198,822

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,440 : 4,198,822 = 4,198,822 : x
2. Step 2: Convert to fraction form
   1,779,440/4,198,822 = 4,198,822/x
3. Step 3: Cross multiply
   1,779,440x = 4,198,822 × 4,198,822
4. Step 4: Simplify right side
   1,779,440x = 17,630,106,187,684
5. Step 5: Solve for x
   x = 17,630,106,187,684/1,779,440
6. Step 6: Final answer
   x = 9,907,671.06