Finding the Third Proportional to 147,447 and 222,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,447 : 222,392.50 = 222,392.50 : x
2. Step 2: Convert to fraction form
   147,447/222,392.50 = 222,392.50/x
3. Step 3: Cross multiply
   147,447x = 222,392.50 × 222,392.50
4. Step 4: Simplify right side
   147,447x = 49,458,424,056.25
5. Step 5: Solve for x
   x = 49,458,424,056.25/147,447
6. Step 6: Final answer
   x = 335,431.88