Finding the Third Proportional to 220,742 and 341,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,742 : 341,723.50 = 341,723.50 : x
2. Step 2: Convert to fraction form
   220,742/341,723.50 = 341,723.50/x
3. Step 3: Cross multiply
   220,742x = 341,723.50 × 341,723.50
4. Step 4: Simplify right side
   220,742x = 116,774,950,452.25
5. Step 5: Solve for x
   x = 116,774,950,452.25/220,742
6. Step 6: Final answer
   x = 529,011.02