Finding the Third Proportional to 31,146.75 and 73,122

Step by Step Solution

1. Step 1: Write the proportion equation
   31,146.75 : 73,122 = 73,122 : x
2. Step 2: Convert to fraction form
   31,146.75/73,122 = 73,122/x
3. Step 3: Cross multiply
   31,146.75x = 73,122 × 73,122
4. Step 4: Simplify right side
   31,146.75x = 5,346,826,884
5. Step 5: Solve for x
   x = 5,346,826,884/31,146.75
6. Step 6: Final answer
   x = 171,665.64