Finding the Third Proportional to 159,064.50 and 342,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,064.50 : 342,505.50 = 342,505.50 : x
2. Step 2: Convert to fraction form
   159,064.50/342,505.50 = 342,505.50/x
3. Step 3: Cross multiply
   159,064.50x = 342,505.50 × 342,505.50
4. Step 4: Simplify right side
   159,064.50x = 117,310,017,530.25
5. Step 5: Solve for x
   x = 117,310,017,530.25/159,064.50
6. Step 6: Final answer
   x = 737,499.68