Finding the Third Proportional to 164,592 and 220,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,592 : 220,231.50 = 220,231.50 : x
2. Step 2: Convert to fraction form
   164,592/220,231.50 = 220,231.50/x
3. Step 3: Cross multiply
   164,592x = 220,231.50 × 220,231.50
4. Step 4: Simplify right side
   164,592x = 48,501,913,592.25
5. Step 5: Solve for x
   x = 48,501,913,592.25/164,592
6. Step 6: Final answer
   x = 294,679.65