Finding the Third Proportional to 512,371 and 818,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   512,371 : 818,524.50 = 818,524.50 : x
2. Step 2: Convert to fraction form
   512,371/818,524.50 = 818,524.50/x
3. Step 3: Cross multiply
   512,371x = 818,524.50 × 818,524.50
4. Step 4: Simplify right side
   512,371x = 669,982,357,100.25
5. Step 5: Solve for x
   x = 669,982,357,100.25/512,371
6. Step 6: Final answer
   x = 1,307,611.78