Finding the Third Proportional to 220,001 and 343,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,001 : 343,141.50 = 343,141.50 : x
2. Step 2: Convert to fraction form
   220,001/343,141.50 = 343,141.50/x
3. Step 3: Cross multiply
   220,001x = 343,141.50 × 343,141.50
4. Step 4: Simplify right side
   220,001x = 117,746,089,022.25
5. Step 5: Solve for x
   x = 117,746,089,022.25/220,001
6. Step 6: Final answer
   x = 535,207.06