Finding the Third Proportional to 140,873 and 206,998

Step by Step Solution

1. Step 1: Write the proportion equation
   140,873 : 206,998 = 206,998 : x
2. Step 2: Convert to fraction form
   140,873/206,998 = 206,998/x
3. Step 3: Cross multiply
   140,873x = 206,998 × 206,998
4. Step 4: Simplify right side
   140,873x = 42,848,172,004
5. Step 5: Solve for x
   x = 42,848,172,004/140,873
6. Step 6: Final answer
   x = 304,161.71