Finding the Third Proportional to 174,555 and 222,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,555 : 222,142.50 = 222,142.50 : x
2. Step 2: Convert to fraction form
   174,555/222,142.50 = 222,142.50/x
3. Step 3: Cross multiply
   174,555x = 222,142.50 × 222,142.50
4. Step 4: Simplify right side
   174,555x = 49,347,290,306.25
5. Step 5: Solve for x
   x = 49,347,290,306.25/174,555
6. Step 6: Final answer
   x = 282,703.39