Finding the Third Proportional to 408,426 and 898,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   408,426 : 898,279.50 = 898,279.50 : x
2. Step 2: Convert to fraction form
   408,426/898,279.50 = 898,279.50/x
3. Step 3: Cross multiply
   408,426x = 898,279.50 × 898,279.50
4. Step 4: Simplify right side
   408,426x = 806,906,060,120.25
5. Step 5: Solve for x
   x = 806,906,060,120.25/408,426
6. Step 6: Final answer
   x = 1,975,648.12