Finding the Third Proportional to 59,871 and 87,174

Step by Step Solution

1. Step 1: Write the proportion equation
   59,871 : 87,174 = 87,174 : x
2. Step 2: Convert to fraction form
   59,871/87,174 = 87,174/x
3. Step 3: Cross multiply
   59,871x = 87,174 × 87,174
4. Step 4: Simplify right side
   59,871x = 7,599,306,276
5. Step 5: Solve for x
   x = 7,599,306,276/59,871
6. Step 6: Final answer
   x = 126,928.00