Finding the Third Proportional to 149,834 and 231,987

Step by Step Solution

1. Step 1: Write the proportion equation
   149,834 : 231,987 = 231,987 : x
2. Step 2: Convert to fraction form
   149,834/231,987 = 231,987/x
3. Step 3: Cross multiply
   149,834x = 231,987 × 231,987
4. Step 4: Simplify right side
   149,834x = 53,817,968,169
5. Step 5: Solve for x
   x = 53,817,968,169/149,834
6. Step 6: Final answer
   x = 359,183.95