Finding the Third Proportional to 142,494 and 222,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,494 : 222,367.50 = 222,367.50 : x
2. Step 2: Convert to fraction form
   142,494/222,367.50 = 222,367.50/x
3. Step 3: Cross multiply
   142,494x = 222,367.50 × 222,367.50
4. Step 4: Simplify right side
   142,494x = 49,447,305,056.25
5. Step 5: Solve for x
   x = 49,447,305,056.25/142,494
6. Step 6: Final answer
   x = 347,013.24