Finding the Third Proportional to 415,561.50 and 897,579

Step by Step Solution

1. Step 1: Write the proportion equation
   415,561.50 : 897,579 = 897,579 : x
2. Step 2: Convert to fraction form
   415,561.50/897,579 = 897,579/x
3. Step 3: Cross multiply
   415,561.50x = 897,579 × 897,579
4. Step 4: Simplify right side
   415,561.50x = 805,648,061,241
5. Step 5: Solve for x
   x = 805,648,061,241/415,561.50
6. Step 6: Final answer
   x = 1,938,697.55