Finding the Third Proportional to 772,768 and 1,018,608

Step by Step Solution

1. Step 1: Write the proportion equation
   772,768 : 1,018,608 = 1,018,608 : x
2. Step 2: Convert to fraction form
   772,768/1,018,608 = 1,018,608/x
3. Step 3: Cross multiply
   772,768x = 1,018,608 × 1,018,608
4. Step 4: Simplify right side
   772,768x = 1,037,562,257,664
5. Step 5: Solve for x
   x = 1,037,562,257,664/772,768
6. Step 6: Final answer
   x = 1,342,656.86