Finding the Third Proportional to 230,356.50 and 352,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   230,356.50 : 352,870.50 = 352,870.50 : x
2. Step 2: Convert to fraction form
   230,356.50/352,870.50 = 352,870.50/x
3. Step 3: Cross multiply
   230,356.50x = 352,870.50 × 352,870.50
4. Step 4: Simplify right side
   230,356.50x = 124,517,589,770.25
5. Step 5: Solve for x
   x = 124,517,589,770.25/230,356.50
6. Step 6: Final answer
   x = 540,542.98