Finding the Third Proportional to 417,199.50 and 908,757

Step by Step Solution

1. Step 1: Write the proportion equation
   417,199.50 : 908,757 = 908,757 : x
2. Step 2: Convert to fraction form
   417,199.50/908,757 = 908,757/x
3. Step 3: Cross multiply
   417,199.50x = 908,757 × 908,757
4. Step 4: Simplify right side
   417,199.50x = 825,839,285,049
5. Step 5: Solve for x
   x = 825,839,285,049/417,199.50
6. Step 6: Final answer
   x = 1,979,482.92