Finding the Third Proportional to 612,491 and 894,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   612,491 : 894,544.50 = 894,544.50 : x
2. Step 2: Convert to fraction form
   612,491/894,544.50 = 894,544.50/x
3. Step 3: Cross multiply
   612,491x = 894,544.50 × 894,544.50
4. Step 4: Simplify right side
   612,491x = 800,209,862,480.25
5. Step 5: Solve for x
   x = 800,209,862,480.25/612,491
6. Step 6: Final answer
   x = 1,306,484.28