Finding the Third Proportional to 36,187 and 78,746

Step by Step Solution

1. Step 1: Write the proportion equation
   36,187 : 78,746 = 78,746 : x
2. Step 2: Convert to fraction form
   36,187/78,746 = 78,746/x
3. Step 3: Cross multiply
   36,187x = 78,746 × 78,746
4. Step 4: Simplify right side
   36,187x = 6,200,932,516
5. Step 5: Solve for x
   x = 6,200,932,516/36,187
6. Step 6: Final answer
   x = 171,358.02