Finding the Third Proportional to 190,220 and 449,846

Step by Step Solution

1. Step 1: Write the proportion equation
   190,220 : 449,846 = 449,846 : x
2. Step 2: Convert to fraction form
   190,220/449,846 = 449,846/x
3. Step 3: Cross multiply
   190,220x = 449,846 × 449,846
4. Step 4: Simplify right side
   190,220x = 202,361,423,716
5. Step 5: Solve for x
   x = 202,361,423,716/190,220
6. Step 6: Final answer
   x = 1,063,828.32