Finding the Third Proportional to 579,454.50 and 852,429.38

Step by Step Solution

1. Step 1: Write the proportion equation
   579,454.50 : 852,429.38 = 852,429.38 : x
2. Step 2: Convert to fraction form
   579,454.50/852,429.38 = 852,429.38/x
3. Step 3: Cross multiply
   579,454.50x = 852,429.38 × 852,429.38
4. Step 4: Simplify right side
   579,454.50x = 726,635,839,362.89
5. Step 5: Solve for x
   x = 726,635,839,362.89/579,454.50
6. Step 6: Final answer
   x = 1,253,999.82