Finding the Third Proportional to 1,779,648 and 4,199,238

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,648 : 4,199,238 = 4,199,238 : x
2. Step 2: Convert to fraction form
   1,779,648/4,199,238 = 4,199,238/x
3. Step 3: Cross multiply
   1,779,648x = 4,199,238 × 4,199,238
4. Step 4: Simplify right side
   1,779,648x = 17,633,599,780,644
5. Step 5: Solve for x
   x = 17,633,599,780,644/1,779,648
6. Step 6: Final answer
   x = 9,908,476.16