Finding the Third Proportional to 1,490,880 and 3,274,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,880 : 3,274,640 = 3,274,640 : x
2. Step 2: Convert to fraction form
   1,490,880/3,274,640 = 3,274,640/x
3. Step 3: Cross multiply
   1,490,880x = 3,274,640 × 3,274,640
4. Step 4: Simplify right side
   1,490,880x = 10,723,267,129,600
5. Step 5: Solve for x
   x = 10,723,267,129,600/1,490,880
6. Step 6: Final answer
   x = 7,192,575.61