Finding the Third Proportional to 158,610 and 231,584

Step by Step Solution

1. Step 1: Write the proportion equation
   158,610 : 231,584 = 231,584 : x
2. Step 2: Convert to fraction form
   158,610/231,584 = 231,584/x
3. Step 3: Cross multiply
   158,610x = 231,584 × 231,584
4. Step 4: Simplify right side
   158,610x = 53,631,149,056
5. Step 5: Solve for x
   x = 53,631,149,056/158,610
6. Step 6: Final answer
   x = 338,132.21