Finding the Third Proportional to 620,877 and 1,357,998

Step by Step Solution

1. Step 1: Write the proportion equation
   620,877 : 1,357,998 = 1,357,998 : x
2. Step 2: Convert to fraction form
   620,877/1,357,998 = 1,357,998/x
3. Step 3: Cross multiply
   620,877x = 1,357,998 × 1,357,998
4. Step 4: Simplify right side
   620,877x = 1,844,158,568,004
5. Step 5: Solve for x
   x = 1,844,158,568,004/620,877
6. Step 6: Final answer
   x = 2,970,247.84