Finding the Third Proportional to 404,902.50 and 868,716

Step by Step Solution

1. Step 1: Write the proportion equation
   404,902.50 : 868,716 = 868,716 : x
2. Step 2: Convert to fraction form
   404,902.50/868,716 = 868,716/x
3. Step 3: Cross multiply
   404,902.50x = 868,716 × 868,716
4. Step 4: Simplify right side
   404,902.50x = 754,667,488,656
5. Step 5: Solve for x
   x = 754,667,488,656/404,902.50
6. Step 6: Final answer
   x = 1,863,825.21