Finding the Third Proportional to 539,348 and 898,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   539,348 : 898,806.50 = 898,806.50 : x
2. Step 2: Convert to fraction form
   539,348/898,806.50 = 898,806.50/x
3. Step 3: Cross multiply
   539,348x = 898,806.50 × 898,806.50
4. Step 4: Simplify right side
   539,348x = 807,853,124,442.25
5. Step 5: Solve for x
   x = 807,853,124,442.25/539,348
6. Step 6: Final answer
   x = 1,497,832.80