Finding the Third Proportional to 36,118 and 78,716

Step by Step Solution

1. Step 1: Write the proportion equation
   36,118 : 78,716 = 78,716 : x
2. Step 2: Convert to fraction form
   36,118/78,716 = 78,716/x
3. Step 3: Cross multiply
   36,118x = 78,716 × 78,716
4. Step 4: Simplify right side
   36,118x = 6,196,208,656
5. Step 5: Solve for x
   x = 6,196,208,656/36,118
6. Step 6: Final answer
   x = 171,554.59