Finding the Third Proportional to 159,078 and 343,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,078 : 343,063.50 = 343,063.50 : x
2. Step 2: Convert to fraction form
   159,078/343,063.50 = 343,063.50/x
3. Step 3: Cross multiply
   159,078x = 343,063.50 × 343,063.50
4. Step 4: Simplify right side
   159,078x = 117,692,565,032.25
5. Step 5: Solve for x
   x = 117,692,565,032.25/159,078
6. Step 6: Final answer
   x = 739,841.87