Finding the Third Proportional to 638,735 and 1,001,988

Step by Step Solution

1. Step 1: Write the proportion equation
   638,735 : 1,001,988 = 1,001,988 : x
2. Step 2: Convert to fraction form
   638,735/1,001,988 = 1,001,988/x
3. Step 3: Cross multiply
   638,735x = 1,001,988 × 1,001,988
4. Step 4: Simplify right side
   638,735x = 1,003,979,952,144
5. Step 5: Solve for x
   x = 1,003,979,952,144/638,735
6. Step 6: Final answer
   x = 1,571,825.49