Finding the Third Proportional to 404,691.75 and 874,224

Step by Step Solution

1. Step 1: Write the proportion equation
   404,691.75 : 874,224 = 874,224 : x
2. Step 2: Convert to fraction form
   404,691.75/874,224 = 874,224/x
3. Step 3: Cross multiply
   404,691.75x = 874,224 × 874,224
4. Step 4: Simplify right side
   404,691.75x = 764,267,602,176
5. Step 5: Solve for x
   x = 764,267,602,176/404,691.75
6. Step 6: Final answer
   x = 1,888,517.87