Finding the Third Proportional to 362,249 and 786,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   362,249 : 786,721.50 = 786,721.50 : x
2. Step 2: Convert to fraction form
   362,249/786,721.50 = 786,721.50/x
3. Step 3: Cross multiply
   362,249x = 786,721.50 × 786,721.50
4. Step 4: Simplify right side
   362,249x = 618,930,718,562.25
5. Step 5: Solve for x
   x = 618,930,718,562.25/362,249
6. Step 6: Final answer
   x = 1,708,578.13