Finding the Third Proportional to 371,976 and 810,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,976 : 810,382.50 = 810,382.50 : x
2. Step 2: Convert to fraction form
   371,976/810,382.50 = 810,382.50/x
3. Step 3: Cross multiply
   371,976x = 810,382.50 × 810,382.50
4. Step 4: Simplify right side
   371,976x = 656,719,796,306.25
5. Step 5: Solve for x
   x = 656,719,796,306.25/371,976
6. Step 6: Final answer
   x = 1,765,489.70