Finding the Third Proportional to 1,155,048 and 1,777,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,048 : 1,777,678 = 1,777,678 : x
2. Step 2: Convert to fraction form
   1,155,048/1,777,678 = 1,777,678/x
3. Step 3: Cross multiply
   1,155,048x = 1,777,678 × 1,777,678
4. Step 4: Simplify right side
   1,155,048x = 3,160,139,071,684
5. Step 5: Solve for x
   x = 3,160,139,071,684/1,155,048
6. Step 6: Final answer
   x = 2,735,937.44