Finding the Third Proportional to 638,608 and 1,001,784

Step by Step Solution

1. Step 1: Write the proportion equation
   638,608 : 1,001,784 = 1,001,784 : x
2. Step 2: Convert to fraction form
   638,608/1,001,784 = 1,001,784/x
3. Step 3: Cross multiply
   638,608x = 1,001,784 × 1,001,784
4. Step 4: Simplify right side
   638,608x = 1,003,571,182,656
5. Step 5: Solve for x
   x = 1,003,571,182,656/638,608
6. Step 6: Final answer
   x = 1,571,497.98