Finding the Third Proportional to 1,780,662 and 4,199,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,662 : 4,199,256 = 4,199,256 : x
2. Step 2: Convert to fraction form
   1,780,662/4,199,256 = 4,199,256/x
3. Step 3: Cross multiply
   1,780,662x = 4,199,256 × 4,199,256
4. Step 4: Simplify right side
   1,780,662x = 17,633,750,953,536
5. Step 5: Solve for x
   x = 17,633,750,953,536/1,780,662
6. Step 6: Final answer
   x = 9,902,918.66