Finding the Third Proportional to 407,578 and 959,012

Step by Step Solution

1. Step 1: Write the proportion equation
   407,578 : 959,012 = 959,012 : x
2. Step 2: Convert to fraction form
   407,578/959,012 = 959,012/x
3. Step 3: Cross multiply
   407,578x = 959,012 × 959,012
4. Step 4: Simplify right side
   407,578x = 919,704,016,144
5. Step 5: Solve for x
   x = 919,704,016,144/407,578
6. Step 6: Final answer
   x = 2,256,510.45