Finding the Third Proportional to 43,157 and 58,308

Step by Step Solution

1. Step 1: Write the proportion equation
   43,157 : 58,308 = 58,308 : x
2. Step 2: Convert to fraction form
   43,157/58,308 = 58,308/x
3. Step 3: Cross multiply
   43,157x = 58,308 × 58,308
4. Step 4: Simplify right side
   43,157x = 3,399,822,864
5. Step 5: Solve for x
   x = 3,399,822,864/43,157
6. Step 6: Final answer
   x = 78,778.02