Finding the Third Proportional to 43,158 and 67,816

Step by Step Solution

1. Step 1: Write the proportion equation
   43,158 : 67,816 = 67,816 : x
2. Step 2: Convert to fraction form
   43,158/67,816 = 67,816/x
3. Step 3: Cross multiply
   43,158x = 67,816 × 67,816
4. Step 4: Simplify right side
   43,158x = 4,599,009,856
5. Step 5: Solve for x
   x = 4,599,009,856/43,158
6. Step 6: Final answer
   x = 106,562.16