Finding the Third Proportional to 729,147 and 1,141,509

Step by Step Solution

1. Step 1: Write the proportion equation
   729,147 : 1,141,509 = 1,141,509 : x
2. Step 2: Convert to fraction form
   729,147/1,141,509 = 1,141,509/x
3. Step 3: Cross multiply
   729,147x = 1,141,509 × 1,141,509
4. Step 4: Simplify right side
   729,147x = 1,303,042,797,081
5. Step 5: Solve for x
   x = 1,303,042,797,081/729,147
6. Step 6: Final answer
   x = 1,787,078.32