Finding the Third Proportional to 231,357 and 349,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,357 : 349,953.50 = 349,953.50 : x
2. Step 2: Convert to fraction form
   231,357/349,953.50 = 349,953.50/x
3. Step 3: Cross multiply
   231,357x = 349,953.50 × 349,953.50
4. Step 4: Simplify right side
   231,357x = 122,467,452,162.25
5. Step 5: Solve for x
   x = 122,467,452,162.25/231,357
6. Step 6: Final answer
   x = 529,344.05