Finding the Third Proportional to 222,582.38 and 345,168

Step by Step Solution

1. Step 1: Write the proportion equation
   222,582.38 : 345,168 = 345,168 : x
2. Step 2: Convert to fraction form
   222,582.38/345,168 = 345,168/x
3. Step 3: Cross multiply
   222,582.38x = 345,168 × 345,168
4. Step 4: Simplify right side
   222,582.38x = 119,140,948,224
5. Step 5: Solve for x
   x = 119,140,948,224/222,582.38
6. Step 6: Final answer
   x = 535,266.77