Finding the Third Proportional to 1,358,658 and 2,776,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,658 : 2,776,308 = 2,776,308 : x
2. Step 2: Convert to fraction form
   1,358,658/2,776,308 = 2,776,308/x
3. Step 3: Cross multiply
   1,358,658x = 2,776,308 × 2,776,308
4. Step 4: Simplify right side
   1,358,658x = 7,707,886,110,864
5. Step 5: Solve for x
   x = 7,707,886,110,864/1,358,658
6. Step 6: Final answer
   x = 5,673,161.39