Finding the Third Proportional to 599,872 and 1,297,664

Step by Step Solution

1. Step 1: Write the proportion equation
   599,872 : 1,297,664 = 1,297,664 : x
2. Step 2: Convert to fraction form
   599,872/1,297,664 = 1,297,664/x
3. Step 3: Cross multiply
   599,872x = 1,297,664 × 1,297,664
4. Step 4: Simplify right side
   599,872x = 1,683,931,856,896
5. Step 5: Solve for x
   x = 1,683,931,856,896/599,872
6. Step 6: Final answer
   x = 2,807,151.95