Finding the Third Proportional to 599,078 and 1,297,840

Step by Step Solution

1. Step 1: Write the proportion equation
   599,078 : 1,297,840 = 1,297,840 : x
2. Step 2: Convert to fraction form
   599,078/1,297,840 = 1,297,840/x
3. Step 3: Cross multiply
   599,078x = 1,297,840 × 1,297,840
4. Step 4: Simplify right side
   599,078x = 1,684,388,665,600
5. Step 5: Solve for x
   x = 1,684,388,665,600/599,078
6. Step 6: Final answer
   x = 2,811,634.99