Finding the Third Proportional to 612,747 and 898,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   612,747 : 898,519.50 = 898,519.50 : x
2. Step 2: Convert to fraction form
   612,747/898,519.50 = 898,519.50/x
3. Step 3: Cross multiply
   612,747x = 898,519.50 × 898,519.50
4. Step 4: Simplify right side
   612,747x = 807,337,291,880.25
5. Step 5: Solve for x
   x = 807,337,291,880.25/612,747
6. Step 6: Final answer
   x = 1,317,570.37