Finding the Third Proportional to 431,978 and 959,834

Step by Step Solution

1. Step 1: Write the proportion equation
   431,978 : 959,834 = 959,834 : x
2. Step 2: Convert to fraction form
   431,978/959,834 = 959,834/x
3. Step 3: Cross multiply
   431,978x = 959,834 × 959,834
4. Step 4: Simplify right side
   431,978x = 921,281,307,556
5. Step 5: Solve for x
   x = 921,281,307,556/431,978
6. Step 6: Final answer
   x = 2,132,704.23