Finding the Third Proportional to 362,790 and 847,173.75

Step by Step Solution

1. Step 1: Write the proportion equation
   362,790 : 847,173.75 = 847,173.75 : x
2. Step 2: Convert to fraction form
   362,790/847,173.75 = 847,173.75/x
3. Step 3: Cross multiply
   362,790x = 847,173.75 × 847,173.75
4. Step 4: Simplify right side
   362,790x = 717,703,362,689.06
5. Step 5: Solve for x
   x = 717,703,362,689.06/362,790
6. Step 6: Final answer
   x = 1,978,288.71