Finding the Third Proportional to 230,996 and 345,550

Step by Step Solution

1. Step 1: Write the proportion equation
   230,996 : 345,550 = 345,550 : x
2. Step 2: Convert to fraction form
   230,996/345,550 = 345,550/x
3. Step 3: Cross multiply
   230,996x = 345,550 × 345,550
4. Step 4: Simplify right side
   230,996x = 119,404,802,500
5. Step 5: Solve for x
   x = 119,404,802,500/230,996
6. Step 6: Final answer
   x = 516,912.86