Finding the Third Proportional to 339,838.50 and 793,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,838.50 : 793,705.50 = 793,705.50 : x
2. Step 2: Convert to fraction form
   339,838.50/793,705.50 = 793,705.50/x
3. Step 3: Cross multiply
   339,838.50x = 793,705.50 × 793,705.50
4. Step 4: Simplify right side
   339,838.50x = 629,968,420,730.25
5. Step 5: Solve for x
   x = 629,968,420,730.25/339,838.50
6. Step 6: Final answer
   x = 1,853,728.82