Finding the Third Proportional to 31,673.63 and 68,256.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,673.63 : 68,256.38 = 68,256.38 : x
2. Step 2: Convert to fraction form
   31,673.63/68,256.38 = 68,256.38/x
3. Step 3: Cross multiply
   31,673.63x = 68,256.38 × 68,256.38
4. Step 4: Simplify right side
   31,673.63x = 4,658,932,728.14
5. Step 5: Solve for x
   x = 4,658,932,728.14/31,673.63
6. Step 6: Final answer
   x = 147,091.87