Finding the Third Proportional to 31,184 and 68,932

Step by Step Solution

1. Step 1: Write the proportion equation
   31,184 : 68,932 = 68,932 : x
2. Step 2: Convert to fraction form
   31,184/68,932 = 68,932/x
3. Step 3: Cross multiply
   31,184x = 68,932 × 68,932
4. Step 4: Simplify right side
   31,184x = 4,751,620,624
5. Step 5: Solve for x
   x = 4,751,620,624/31,184
6. Step 6: Final answer
   x = 152,373.67