Finding the Third Proportional to 408,736 and 898,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   408,736 : 898,117.50 = 898,117.50 : x
2. Step 2: Convert to fraction form
   408,736/898,117.50 = 898,117.50/x
3. Step 3: Cross multiply
   408,736x = 898,117.50 × 898,117.50
4. Step 4: Simplify right side
   408,736x = 806,615,043,806.25
5. Step 5: Solve for x
   x = 806,615,043,806.25/408,736
6. Step 6: Final answer
   x = 1,973,437.73