Finding the Third Proportional to 160,992 and 254,865.38

Step by Step Solution

1. Step 1: Write the proportion equation
   160,992 : 254,865.38 = 254,865.38 : x
2. Step 2: Convert to fraction form
   160,992/254,865.38 = 254,865.38/x
3. Step 3: Cross multiply
   160,992x = 254,865.38 × 254,865.38
4. Step 4: Simplify right side
   160,992x = 64,956,359,373.89
5. Step 5: Solve for x
   x = 64,956,359,373.89/160,992
6. Step 6: Final answer
   x = 403,475.70