Finding the Third Proportional to 157,924 and 231,990

Step by Step Solution

1. Step 1: Write the proportion equation
   157,924 : 231,990 = 231,990 : x
2. Step 2: Convert to fraction form
   157,924/231,990 = 231,990/x
3. Step 3: Cross multiply
   157,924x = 231,990 × 231,990
4. Step 4: Simplify right side
   157,924x = 53,819,360,100
5. Step 5: Solve for x
   x = 53,819,360,100/157,924
6. Step 6: Final answer
   x = 340,792.79