Finding the Third Proportional to 54,300 and 115,155

Step by Step Solution

1. Step 1: Write the proportion equation
   54,300 : 115,155 = 115,155 : x
2. Step 2: Convert to fraction form
   54,300/115,155 = 115,155/x
3. Step 3: Cross multiply
   54,300x = 115,155 × 115,155
4. Step 4: Simplify right side
   54,300x = 13,260,674,025
5. Step 5: Solve for x
   x = 13,260,674,025/54,300
6. Step 6: Final answer
   x = 244,211.31