Finding the Third Proportional to 31,254 and 68,443

Step by Step Solution

1. Step 1: Write the proportion equation
   31,254 : 68,443 = 68,443 : x
2. Step 2: Convert to fraction form
   31,254/68,443 = 68,443/x
3. Step 3: Cross multiply
   31,254x = 68,443 × 68,443
4. Step 4: Simplify right side
   31,254x = 4,684,444,249
5. Step 5: Solve for x
   x = 4,684,444,249/31,254
6. Step 6: Final answer
   x = 149,883.03