Finding the Third Proportional to 423,800 and 898,144

Step by Step Solution

1. Step 1: Write the proportion equation
   423,800 : 898,144 = 898,144 : x
2. Step 2: Convert to fraction form
   423,800/898,144 = 898,144/x
3. Step 3: Cross multiply
   423,800x = 898,144 × 898,144
4. Step 4: Simplify right side
   423,800x = 806,662,644,736
5. Step 5: Solve for x
   x = 806,662,644,736/423,800
6. Step 6: Final answer
   x = 1,903,404.07