Finding the Third Proportional to 150,342 and 231,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,342 : 231,181.50 = 231,181.50 : x
2. Step 2: Convert to fraction form
   150,342/231,181.50 = 231,181.50/x
3. Step 3: Cross multiply
   150,342x = 231,181.50 × 231,181.50
4. Step 4: Simplify right side
   150,342x = 53,444,885,942.25
5. Step 5: Solve for x
   x = 53,444,885,942.25/150,342
6. Step 6: Final answer
   x = 355,488.73