Finding the Third Proportional to 51,556.50 and 109,215

Step by Step Solution

1. Step 1: Write the proportion equation
   51,556.50 : 109,215 = 109,215 : x
2. Step 2: Convert to fraction form
   51,556.50/109,215 = 109,215/x
3. Step 3: Cross multiply
   51,556.50x = 109,215 × 109,215
4. Step 4: Simplify right side
   51,556.50x = 11,927,916,225
5. Step 5: Solve for x
   x = 11,927,916,225/51,556.50
6. Step 6: Final answer
   x = 231,356.21