Finding the Third Proportional to 722,012 and 1,122,505

Step by Step Solution

1. Step 1: Write the proportion equation
   722,012 : 1,122,505 = 1,122,505 : x
2. Step 2: Convert to fraction form
   722,012/1,122,505 = 1,122,505/x
3. Step 3: Cross multiply
   722,012x = 1,122,505 × 1,122,505
4. Step 4: Simplify right side
   722,012x = 1,260,017,475,025
5. Step 5: Solve for x
   x = 1,260,017,475,025/722,012
6. Step 6: Final answer
   x = 1,745,147.55