Finding the Third Proportional to 722,408 and 1,062,664

Step by Step Solution

1. Step 1: Write the proportion equation
   722,408 : 1,062,664 = 1,062,664 : x
2. Step 2: Convert to fraction form
   722,408/1,062,664 = 1,062,664/x
3. Step 3: Cross multiply
   722,408x = 1,062,664 × 1,062,664
4. Step 4: Simplify right side
   722,408x = 1,129,254,776,896
5. Step 5: Solve for x
   x = 1,129,254,776,896/722,408
6. Step 6: Final answer
   x = 1,563,181.44