Finding the Third Proportional to 231,738 and 350,876

Step by Step Solution

1. Step 1: Write the proportion equation
   231,738 : 350,876 = 350,876 : x
2. Step 2: Convert to fraction form
   231,738/350,876 = 350,876/x
3. Step 3: Cross multiply
   231,738x = 350,876 × 350,876
4. Step 4: Simplify right side
   231,738x = 123,113,967,376
5. Step 5: Solve for x
   x = 123,113,967,376/231,738
6. Step 6: Final answer
   x = 531,263.61