Finding the Third Proportional to 230,515.50 and 355,998

Step by Step Solution

1. Step 1: Write the proportion equation
   230,515.50 : 355,998 = 355,998 : x
2. Step 2: Convert to fraction form
   230,515.50/355,998 = 355,998/x
3. Step 3: Cross multiply
   230,515.50x = 355,998 × 355,998
4. Step 4: Simplify right side
   230,515.50x = 126,734,576,004
5. Step 5: Solve for x
   x = 126,734,576,004/230,515.50
6. Step 6: Final answer
   x = 549,787.65