Finding the Third Proportional to 85,581 and 173,754

Step by Step Solution

1. Step 1: Write the proportion equation
   85,581 : 173,754 = 173,754 : x
2. Step 2: Convert to fraction form
   85,581/173,754 = 173,754/x
3. Step 3: Cross multiply
   85,581x = 173,754 × 173,754
4. Step 4: Simplify right side
   85,581x = 30,190,452,516
5. Step 5: Solve for x
   x = 30,190,452,516/85,581
6. Step 6: Final answer
   x = 352,770.50