Finding the Third Proportional to 35,747.16 and 76,243.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,747.16 : 76,243.78 = 76,243.78 : x
2. Step 2: Convert to fraction form
   35,747.16/76,243.78 = 76,243.78/x
3. Step 3: Cross multiply
   35,747.16x = 76,243.78 × 76,243.78
4. Step 4: Simplify right side
   35,747.16x = 5,813,114,179.30
5. Step 5: Solve for x
   x = 5,813,114,179.30/35,747.16
6. Step 6: Final answer
   x = 162,617.53