Finding the Third Proportional to 193,472.50 and 258,036

Step by Step Solution

1. Step 1: Write the proportion equation
   193,472.50 : 258,036 = 258,036 : x
2. Step 2: Convert to fraction form
   193,472.50/258,036 = 258,036/x
3. Step 3: Cross multiply
   193,472.50x = 258,036 × 258,036
4. Step 4: Simplify right side
   193,472.50x = 66,582,577,296
5. Step 5: Solve for x
   x = 66,582,577,296/193,472.50
6. Step 6: Final answer
   x = 344,144.92