Finding the Third Proportional to 727,222 and 1,586,636

Step by Step Solution

1. Step 1: Write the proportion equation
   727,222 : 1,586,636 = 1,586,636 : x
2. Step 2: Convert to fraction form
   727,222/1,586,636 = 1,586,636/x
3. Step 3: Cross multiply
   727,222x = 1,586,636 × 1,586,636
4. Step 4: Simplify right side
   727,222x = 2,517,413,796,496
5. Step 5: Solve for x
   x = 2,517,413,796,496/727,222
6. Step 6: Final answer
   x = 3,461,685.42