Finding the Third Proportional to 31,166.25 and 64,170.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,166.25 : 64,170.38 = 64,170.38 : x
2. Step 2: Convert to fraction form
   31,166.25/64,170.38 = 64,170.38/x
3. Step 3: Cross multiply
   31,166.25x = 64,170.38 × 64,170.38
4. Step 4: Simplify right side
   31,166.25x = 4,117,837,027.64
5. Step 5: Solve for x
   x = 4,117,837,027.64/31,166.25
6. Step 6: Final answer
   x = 132,124.88