Finding the Third Proportional to 929,728 and 1,436,640

Step by Step Solution

1. Step 1: Write the proportion equation
   929,728 : 1,436,640 = 1,436,640 : x
2. Step 2: Convert to fraction form
   929,728/1,436,640 = 1,436,640/x
3. Step 3: Cross multiply
   929,728x = 1,436,640 × 1,436,640
4. Step 4: Simplify right side
   929,728x = 2,063,934,489,600
5. Step 5: Solve for x
   x = 2,063,934,489,600/929,728
6. Step 6: Final answer
   x = 2,219,933.67