Finding the Third Proportional to 230,958 and 345,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   230,958 : 345,505.50 = 345,505.50 : x
2. Step 2: Convert to fraction form
   230,958/345,505.50 = 345,505.50/x
3. Step 3: Cross multiply
   230,958x = 345,505.50 × 345,505.50
4. Step 4: Simplify right side
   230,958x = 119,374,050,530.25
5. Step 5: Solve for x
   x = 119,374,050,530.25/230,958
6. Step 6: Final answer
   x = 516,864.76