Finding the Third Proportional to 343,716 and 755,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,716 : 755,137.50 = 755,137.50 : x
2. Step 2: Convert to fraction form
   343,716/755,137.50 = 755,137.50/x
3. Step 3: Cross multiply
   343,716x = 755,137.50 × 755,137.50
4. Step 4: Simplify right side
   343,716x = 570,232,643,906.25
5. Step 5: Solve for x
   x = 570,232,643,906.25/343,716
6. Step 6: Final answer
   x = 1,659,022.69