Finding the Third Proportional to 142,492.69 and 222,365.53

Step by Step Solution

1. Step 1: Write the proportion equation
   142,492.69 : 222,365.53 = 222,365.53 : x
2. Step 2: Convert to fraction form
   142,492.69/222,365.53 = 222,365.53/x
3. Step 3: Cross multiply
   142,492.69x = 222,365.53 × 222,365.53
4. Step 4: Simplify right side
   142,492.69x = 49,446,429,488.09
5. Step 5: Solve for x
   x = 49,446,429,488.09/142,492.69
6. Step 6: Final answer
   x = 347,010.29