Finding the Third Proportional to 434,477.25 and 908,679

Step by Step Solution

1. Step 1: Write the proportion equation
   434,477.25 : 908,679 = 908,679 : x
2. Step 2: Convert to fraction form
   434,477.25/908,679 = 908,679/x
3. Step 3: Cross multiply
   434,477.25x = 908,679 × 908,679
4. Step 4: Simplify right side
   434,477.25x = 825,697,525,041
5. Step 5: Solve for x
   x = 825,697,525,041/434,477.25
6. Step 6: Final answer
   x = 1,900,439.03