Finding the Third Proportional to 43,226 and 55,230

Step by Step Solution

1. Step 1: Write the proportion equation
   43,226 : 55,230 = 55,230 : x
2. Step 2: Convert to fraction form
   43,226/55,230 = 55,230/x
3. Step 3: Cross multiply
   43,226x = 55,230 × 55,230
4. Step 4: Simplify right side
   43,226x = 3,050,352,900
5. Step 5: Solve for x
   x = 3,050,352,900/43,226
6. Step 6: Final answer
   x = 70,567.55