Finding the Third Proportional to 43,158 and 67,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,158 : 67,815.50 = 67,815.50 : x
2. Step 2: Convert to fraction form
   43,158/67,815.50 = 67,815.50/x
3. Step 3: Cross multiply
   43,158x = 67,815.50 × 67,815.50
4. Step 4: Simplify right side
   43,158x = 4,598,942,040.25
5. Step 5: Solve for x
   x = 4,598,942,040.25/43,158
6. Step 6: Final answer
   x = 106,560.59