Finding the Third Proportional to 340,728 and 741,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,728 : 741,112.50 = 741,112.50 : x
2. Step 2: Convert to fraction form
   340,728/741,112.50 = 741,112.50/x
3. Step 3: Cross multiply
   340,728x = 741,112.50 × 741,112.50
4. Step 4: Simplify right side
   340,728x = 549,247,737,656.25
5. Step 5: Solve for x
   x = 549,247,737,656.25/340,728
6. Step 6: Final answer
   x = 1,611,982.98