Finding the Third Proportional to 721,721 and 1,009,002

Step by Step Solution

1. Step 1: Write the proportion equation
   721,721 : 1,009,002 = 1,009,002 : x
2. Step 2: Convert to fraction form
   721,721/1,009,002 = 1,009,002/x
3. Step 3: Cross multiply
   721,721x = 1,009,002 × 1,009,002
4. Step 4: Simplify right side
   721,721x = 1,018,085,036,004
5. Step 5: Solve for x
   x = 1,018,085,036,004/721,721
6. Step 6: Final answer
   x = 1,410,635.18