Finding the Third Proportional to 151,860 and 231,536

Step by Step Solution

1. Step 1: Write the proportion equation
   151,860 : 231,536 = 231,536 : x
2. Step 2: Convert to fraction form
   151,860/231,536 = 231,536/x
3. Step 3: Cross multiply
   151,860x = 231,536 × 231,536
4. Step 4: Simplify right side
   151,860x = 53,608,919,296
5. Step 5: Solve for x
   x = 53,608,919,296/151,860
6. Step 6: Final answer
   x = 353,015.40