Finding the Third Proportional to 222,840 and 336,150

Step by Step Solution

1. Step 1: Write the proportion equation
   222,840 : 336,150 = 336,150 : x
2. Step 2: Convert to fraction form
   222,840/336,150 = 336,150/x
3. Step 3: Cross multiply
   222,840x = 336,150 × 336,150
4. Step 4: Simplify right side
   222,840x = 112,996,822,500
5. Step 5: Solve for x
   x = 112,996,822,500/222,840
6. Step 6: Final answer
   x = 507,076.03