Finding the Third Proportional to 404,932.50 and 859,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,932.50 : 859,693.50 = 859,693.50 : x
2. Step 2: Convert to fraction form
   404,932.50/859,693.50 = 859,693.50/x
3. Step 3: Cross multiply
   404,932.50x = 859,693.50 × 859,693.50
4. Step 4: Simplify right side
   404,932.50x = 739,072,913,942.25
5. Step 5: Solve for x
   x = 739,072,913,942.25/404,932.50
6. Step 6: Final answer
   x = 1,825,175.59