Finding the Third Proportional to 748,734 and 1,122,732

Step by Step Solution

1. Step 1: Write the proportion equation
   748,734 : 1,122,732 = 1,122,732 : x
2. Step 2: Convert to fraction form
   748,734/1,122,732 = 1,122,732/x
3. Step 3: Cross multiply
   748,734x = 1,122,732 × 1,122,732
4. Step 4: Simplify right side
   748,734x = 1,260,527,143,824
5. Step 5: Solve for x
   x = 1,260,527,143,824/748,734
6. Step 6: Final answer
   x = 1,683,544.68