Finding the Third Proportional to 1,939,820 and 4,189,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,820 : 4,189,384 = 4,189,384 : x
2. Step 2: Convert to fraction form
   1,939,820/4,189,384 = 4,189,384/x
3. Step 3: Cross multiply
   1,939,820x = 4,189,384 × 4,189,384
4. Step 4: Simplify right side
   1,939,820x = 17,550,938,299,456
5. Step 5: Solve for x
   x = 17,550,938,299,456/1,939,820
6. Step 6: Final answer
   x = 9,047,714.89