Finding the Third Proportional to 147,472.50 and 222,417

Step by Step Solution

1. Step 1: Write the proportion equation
   147,472.50 : 222,417 = 222,417 : x
2. Step 2: Convert to fraction form
   147,472.50/222,417 = 222,417/x
3. Step 3: Cross multiply
   147,472.50x = 222,417 × 222,417
4. Step 4: Simplify right side
   147,472.50x = 49,469,321,889
5. Step 5: Solve for x
   x = 49,469,321,889/147,472.50
6. Step 6: Final answer
   x = 335,447.77