Finding the Third Proportional to 148,959 and 331,019

Step by Step Solution

1. Step 1: Write the proportion equation
   148,959 : 331,019 = 331,019 : x
2. Step 2: Convert to fraction form
   148,959/331,019 = 331,019/x
3. Step 3: Cross multiply
   148,959x = 331,019 × 331,019
4. Step 4: Simplify right side
   148,959x = 109,573,578,361
5. Step 5: Solve for x
   x = 109,573,578,361/148,959
6. Step 6: Final answer
   x = 735,595.56