Finding the Third Proportional to 31,173 and 47,087.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,173 : 47,087.25 = 47,087.25 : x
2. Step 2: Convert to fraction form
   31,173/47,087.25 = 47,087.25/x
3. Step 3: Cross multiply
   31,173x = 47,087.25 × 47,087.25
4. Step 4: Simplify right side
   31,173x = 2,217,209,112.56
5. Step 5: Solve for x
   x = 2,217,209,112.56/31,173
6. Step 6: Final answer
   x = 71,125.95