Finding the Third Proportional to 1,778,604 and 2,663,022

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,604 : 2,663,022 = 2,663,022 : x
2. Step 2: Convert to fraction form
   1,778,604/2,663,022 = 2,663,022/x
3. Step 3: Cross multiply
   1,778,604x = 2,663,022 × 2,663,022
4. Step 4: Simplify right side
   1,778,604x = 7,091,686,172,484
5. Step 5: Solve for x
   x = 7,091,686,172,484/1,778,604
6. Step 6: Final answer
   x = 3,987,220.41