Finding the Third Proportional to 210,902 and 497,842

Step by Step Solution

1. Step 1: Write the proportion equation
   210,902 : 497,842 = 497,842 : x
2. Step 2: Convert to fraction form
   210,902/497,842 = 497,842/x
3. Step 3: Cross multiply
   210,902x = 497,842 × 497,842
4. Step 4: Simplify right side
   210,902x = 247,846,656,964
5. Step 5: Solve for x
   x = 247,846,656,964/210,902
6. Step 6: Final answer
   x = 1,175,174.52