Finding the Third Proportional to 726,540 and 997,340

Step by Step Solution

1. Step 1: Write the proportion equation
   726,540 : 997,340 = 997,340 : x
2. Step 2: Convert to fraction form
   726,540/997,340 = 997,340/x
3. Step 3: Cross multiply
   726,540x = 997,340 × 997,340
4. Step 4: Simplify right side
   726,540x = 994,687,075,600
5. Step 5: Solve for x
   x = 994,687,075,600/726,540
6. Step 6: Final answer
   x = 1,369,074.07