Finding the Third Proportional to 43,318.55 and 54,225.07

Step by Step Solution

1. Step 1: Write the proportion equation
   43,318.55 : 54,225.07 = 54,225.07 : x
2. Step 2: Convert to fraction form
   43,318.55/54,225.07 = 54,225.07/x
3. Step 3: Cross multiply
   43,318.55x = 54,225.07 × 54,225.07
4. Step 4: Simplify right side
   43,318.55x = 2,940,358,250.40
5. Step 5: Solve for x
   x = 2,940,358,250.40/43,318.55
6. Step 6: Final answer
   x = 67,877.58