Finding the Third Proportional to 159,061.50 and 343,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,061.50 : 343,030.50 = 343,030.50 : x
2. Step 2: Convert to fraction form
   159,061.50/343,030.50 = 343,030.50/x
3. Step 3: Cross multiply
   159,061.50x = 343,030.50 × 343,030.50
4. Step 4: Simplify right side
   159,061.50x = 117,669,923,930.25
5. Step 5: Solve for x
   x = 117,669,923,930.25/159,061.50
6. Step 6: Final answer
   x = 739,776.27