Finding the Third Proportional to 714,880 and 1,111,520

Step by Step Solution

1. Step 1: Write the proportion equation
   714,880 : 1,111,520 = 1,111,520 : x
2. Step 2: Convert to fraction form
   714,880/1,111,520 = 1,111,520/x
3. Step 3: Cross multiply
   714,880x = 1,111,520 × 1,111,520
4. Step 4: Simplify right side
   714,880x = 1,235,476,710,400
5. Step 5: Solve for x
   x = 1,235,476,710,400/714,880
6. Step 6: Final answer
   x = 1,728,229.51