Finding the Third Proportional to 417,205 and 897,306.50

Step by Step Solution

1. Step 1: Write the proportion equation
   417,205 : 897,306.50 = 897,306.50 : x
2. Step 2: Convert to fraction form
   417,205/897,306.50 = 897,306.50/x
3. Step 3: Cross multiply
   417,205x = 897,306.50 × 897,306.50
4. Step 4: Simplify right side
   417,205x = 805,158,954,942.25
5. Step 5: Solve for x
   x = 805,158,954,942.25/417,205
6. Step 6: Final answer
   x = 1,929,888.08