Finding the Third Proportional to 52,130 and 111,642

Step by Step Solution

1. Step 1: Write the proportion equation
   52,130 : 111,642 = 111,642 : x
2. Step 2: Convert to fraction form
   52,130/111,642 = 111,642/x
3. Step 3: Cross multiply
   52,130x = 111,642 × 111,642
4. Step 4: Simplify right side
   52,130x = 12,463,936,164
5. Step 5: Solve for x
   x = 12,463,936,164/52,130
6. Step 6: Final answer
   x = 239,093.35