Finding the Third Proportional to 420,477.75 and 918,022

Step by Step Solution

1. Step 1: Write the proportion equation
   420,477.75 : 918,022 = 918,022 : x
2. Step 2: Convert to fraction form
   420,477.75/918,022 = 918,022/x
3. Step 3: Cross multiply
   420,477.75x = 918,022 × 918,022
4. Step 4: Simplify right side
   420,477.75x = 842,764,392,484
5. Step 5: Solve for x
   x = 842,764,392,484/420,477.75
6. Step 6: Final answer
   x = 2,004,301.99