Finding the Third Proportional to 418,784 and 908,928

Step by Step Solution

1. Step 1: Write the proportion equation
   418,784 : 908,928 = 908,928 : x
2. Step 2: Convert to fraction form
   418,784/908,928 = 908,928/x
3. Step 3: Cross multiply
   418,784x = 908,928 × 908,928
4. Step 4: Simplify right side
   418,784x = 826,150,109,184
5. Step 5: Solve for x
   x = 826,150,109,184/418,784
6. Step 6: Final answer
   x = 1,972,735.61