Finding the Third Proportional to 434,477.75 and 908,680

Step by Step Solution

1. Step 1: Write the proportion equation
   434,477.75 : 908,680 = 908,680 : x
2. Step 2: Convert to fraction form
   434,477.75/908,680 = 908,680/x
3. Step 3: Cross multiply
   434,477.75x = 908,680 × 908,680
4. Step 4: Simplify right side
   434,477.75x = 825,699,342,400
5. Step 5: Solve for x
   x = 825,699,342,400/434,477.75
6. Step 6: Final answer
   x = 1,900,441.03