Finding the Third Proportional to 846,684.50 and 1,206,960.50

Step by Step Solution

1. Step 1: Write the proportion equation
   846,684.50 : 1,206,960.50 = 1,206,960.50 : x
2. Step 2: Convert to fraction form
   846,684.50/1,206,960.50 = 1,206,960.50/x
3. Step 3: Cross multiply
   846,684.50x = 1,206,960.50 × 1,206,960.50
4. Step 4: Simplify right side
   846,684.50x = 1,456,753,648,560.25
5. Step 5: Solve for x
   x = 1,456,753,648,560.25/846,684.50
6. Step 6: Final answer
   x = 1,720,538.94