Finding the Third Proportional to 210,848 and 335,042

Step by Step Solution

1. Step 1: Write the proportion equation
   210,848 : 335,042 = 335,042 : x
2. Step 2: Convert to fraction form
   210,848/335,042 = 335,042/x
3. Step 3: Cross multiply
   210,848x = 335,042 × 335,042
4. Step 4: Simplify right side
   210,848x = 112,253,141,764
5. Step 5: Solve for x
   x = 112,253,141,764/210,848
6. Step 6: Final answer
   x = 532,388.93