Finding the Third Proportional to 1,778,306 and 4,195,958

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,306 : 4,195,958 = 4,195,958 : x
2. Step 2: Convert to fraction form
   1,778,306/4,195,958 = 4,195,958/x
3. Step 3: Cross multiply
   1,778,306x = 4,195,958 × 4,195,958
4. Step 4: Simplify right side
   1,778,306x = 17,606,063,537,764
5. Step 5: Solve for x
   x = 17,606,063,537,764/1,778,306
6. Step 6: Final answer
   x = 9,900,469.06