Finding the Third Proportional to 70,627.50 and 100,665

Step by Step Solution

1. Step 1: Write the proportion equation
   70,627.50 : 100,665 = 100,665 : x
2. Step 2: Convert to fraction form
   70,627.50/100,665 = 100,665/x
3. Step 3: Cross multiply
   70,627.50x = 100,665 × 100,665
4. Step 4: Simplify right side
   70,627.50x = 10,133,442,225
5. Step 5: Solve for x
   x = 10,133,442,225/70,627.50
6. Step 6: Final answer
   x = 143,477.29