Finding the Third Proportional to 31,568 and 73,090

Step by Step Solution

1. Step 1: Write the proportion equation
   31,568 : 73,090 = 73,090 : x
2. Step 2: Convert to fraction form
   31,568/73,090 = 73,090/x
3. Step 3: Cross multiply
   31,568x = 73,090 × 73,090
4. Step 4: Simplify right side
   31,568x = 5,342,148,100
5. Step 5: Solve for x
   x = 5,342,148,100/31,568
6. Step 6: Final answer
   x = 169,226.69