Finding the Third Proportional to 51,300 and 109,899

Step by Step Solution

1. Step 1: Write the proportion equation
   51,300 : 109,899 = 109,899 : x
2. Step 2: Convert to fraction form
   51,300/109,899 = 109,899/x
3. Step 3: Cross multiply
   51,300x = 109,899 × 109,899
4. Step 4: Simplify right side
   51,300x = 12,077,790,201
5. Step 5: Solve for x
   x = 12,077,790,201/51,300
6. Step 6: Final answer
   x = 235,434.51