Finding the Third Proportional to 231,202 and 501,770

Step by Step Solution

1. Step 1: Write the proportion equation
   231,202 : 501,770 = 501,770 : x
2. Step 2: Convert to fraction form
   231,202/501,770 = 501,770/x
3. Step 3: Cross multiply
   231,202x = 501,770 × 501,770
4. Step 4: Simplify right side
   231,202x = 251,773,132,900
5. Step 5: Solve for x
   x = 251,773,132,900/231,202
6. Step 6: Final answer
   x = 1,088,974.72