Finding the Third Proportional to 1,939,824 and 4,189,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,824 : 4,189,392 = 4,189,392 : x
2. Step 2: Convert to fraction form
   1,939,824/4,189,392 = 4,189,392/x
3. Step 3: Cross multiply
   1,939,824x = 4,189,392 × 4,189,392
4. Step 4: Simplify right side
   1,939,824x = 17,551,005,329,664
5. Step 5: Solve for x
   x = 17,551,005,329,664/1,939,824
6. Step 6: Final answer
   x = 9,047,730.79