Finding the Third Proportional to 78,856 and 170,848

Step by Step Solution

1. Step 1: Write the proportion equation
   78,856 : 170,848 = 170,848 : x
2. Step 2: Convert to fraction form
   78,856/170,848 = 170,848/x
3. Step 3: Cross multiply
   78,856x = 170,848 × 170,848
4. Step 4: Simplify right side
   78,856x = 29,189,039,104
5. Step 5: Solve for x
   x = 29,189,039,104/78,856
6. Step 6: Final answer
   x = 370,156.22