Finding the Third Proportional to 17,688 and 36,812

Step by Step Solution

1. Step 1: Write the proportion equation
   17,688 : 36,812 = 36,812 : x
2. Step 2: Convert to fraction form
   17,688/36,812 = 36,812/x
3. Step 3: Cross multiply
   17,688x = 36,812 × 36,812
4. Step 4: Simplify right side
   17,688x = 1,355,123,344
5. Step 5: Solve for x
   x = 1,355,123,344/17,688
6. Step 6: Final answer
   x = 76,612.58