Finding the Third Proportional to 142,490.25 and 222,363

Step by Step Solution

1. Step 1: Write the proportion equation
   142,490.25 : 222,363 = 222,363 : x
2. Step 2: Convert to fraction form
   142,490.25/222,363 = 222,363/x
3. Step 3: Cross multiply
   142,490.25x = 222,363 × 222,363
4. Step 4: Simplify right side
   142,490.25x = 49,445,303,769
5. Step 5: Solve for x
   x = 49,445,303,769/142,490.25
6. Step 6: Final answer
   x = 347,008.33