Finding the Third Proportional to 51,558.50 and 109,219

Step by Step Solution

1. Step 1: Write the proportion equation
   51,558.50 : 109,219 = 109,219 : x
2. Step 2: Convert to fraction form
   51,558.50/109,219 = 109,219/x
3. Step 3: Cross multiply
   51,558.50x = 109,219 × 109,219
4. Step 4: Simplify right side
   51,558.50x = 11,928,789,961
5. Step 5: Solve for x
   x = 11,928,789,961/51,558.50
6. Step 6: Final answer
   x = 231,364.18