Finding the Third Proportional to 36,492.75 and 78,612.56

Step by Step Solution

1. Step 1: Write the proportion equation
   36,492.75 : 78,612.56 = 78,612.56 : x
2. Step 2: Convert to fraction form
   36,492.75/78,612.56 = 78,612.56/x
3. Step 3: Cross multiply
   36,492.75x = 78,612.56 × 78,612.56
4. Step 4: Simplify right side
   36,492.75x = 6,179,934,982.82
5. Step 5: Solve for x
   x = 6,179,934,982.82/36,492.75
6. Step 6: Final answer
   x = 169,346.92