Finding the Third Proportional to 72,632 and 100,018

Step by Step Solution

1. Step 1: Write the proportion equation
   72,632 : 100,018 = 100,018 : x
2. Step 2: Convert to fraction form
   72,632/100,018 = 100,018/x
3. Step 3: Cross multiply
   72,632x = 100,018 × 100,018
4. Step 4: Simplify right side
   72,632x = 10,003,600,324
5. Step 5: Solve for x
   x = 10,003,600,324/72,632
6. Step 6: Final answer
   x = 137,729.93