Finding the Third Proportional to 36,315 and 78,846

Step by Step Solution

1. Step 1: Write the proportion equation
   36,315 : 78,846 = 78,846 : x
2. Step 2: Convert to fraction form
   36,315/78,846 = 78,846/x
3. Step 3: Cross multiply
   36,315x = 78,846 × 78,846
4. Step 4: Simplify right side
   36,315x = 6,216,691,716
5. Step 5: Solve for x
   x = 6,216,691,716/36,315
6. Step 6: Final answer
   x = 171,187.99