Finding the Third Proportional to 51,139 and 109,386

Step by Step Solution

1. Step 1: Write the proportion equation
   51,139 : 109,386 = 109,386 : x
2. Step 2: Convert to fraction form
   51,139/109,386 = 109,386/x
3. Step 3: Cross multiply
   51,139x = 109,386 × 109,386
4. Step 4: Simplify right side
   51,139x = 11,965,296,996
5. Step 5: Solve for x
   x = 11,965,296,996/51,139
6. Step 6: Final answer
   x = 233,975.97