Finding the Third Proportional to 140,558 and 223,350

Step by Step Solution

1. Step 1: Write the proportion equation
   140,558 : 223,350 = 223,350 : x
2. Step 2: Convert to fraction form
   140,558/223,350 = 223,350/x
3. Step 3: Cross multiply
   140,558x = 223,350 × 223,350
4. Step 4: Simplify right side
   140,558x = 49,885,222,500
5. Step 5: Solve for x
   x = 49,885,222,500/140,558
6. Step 6: Final answer
   x = 354,908.45