Finding the Third Proportional to 1,780,702 and 4,199,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,702 : 4,199,356 = 4,199,356 : x
2. Step 2: Convert to fraction form
   1,780,702/4,199,356 = 4,199,356/x
3. Step 3: Cross multiply
   1,780,702x = 4,199,356 × 4,199,356
4. Step 4: Simplify right side
   1,780,702x = 17,634,590,814,736
5. Step 5: Solve for x
   x = 17,634,590,814,736/1,780,702
6. Step 6: Final answer
   x = 9,903,167.86