Finding the Third Proportional to 31,501.13 and 68,538.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,501.13 : 68,538.38 = 68,538.38 : x
2. Step 2: Convert to fraction form
   31,501.13/68,538.38 = 68,538.38/x
3. Step 3: Cross multiply
   31,501.13x = 68,538.38 × 68,538.38
4. Step 4: Simplify right side
   31,501.13x = 4,697,508,847.64
5. Step 5: Solve for x
   x = 4,697,508,847.64/31,501.13
6. Step 6: Final answer
   x = 149,121.94