Finding the Third Proportional to 220,932 and 345,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,932 : 345,613.50 = 345,613.50 : x
2. Step 2: Convert to fraction form
   220,932/345,613.50 = 345,613.50/x
3. Step 3: Cross multiply
   220,932x = 345,613.50 × 345,613.50
4. Step 4: Simplify right side
   220,932x = 119,448,691,382.25
5. Step 5: Solve for x
   x = 119,448,691,382.25/220,932
6. Step 6: Final answer
   x = 540,658.17