Finding the Third Proportional to 1,780,794 and 4,199,499

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,794 : 4,199,499 = 4,199,499 : x
2. Step 2: Convert to fraction form
   1,780,794/4,199,499 = 4,199,499/x
3. Step 3: Cross multiply
   1,780,794x = 4,199,499 × 4,199,499
4. Step 4: Simplify right side
   1,780,794x = 17,635,791,851,001
5. Step 5: Solve for x
   x = 17,635,791,851,001/1,780,794
6. Step 6: Final answer
   x = 9,903,330.68