Finding the Third Proportional to 42,957 and 65,346

Step by Step Solution

1. Step 1: Write the proportion equation
   42,957 : 65,346 = 65,346 : x
2. Step 2: Convert to fraction form
   42,957/65,346 = 65,346/x
3. Step 3: Cross multiply
   42,957x = 65,346 × 65,346
4. Step 4: Simplify right side
   42,957x = 4,270,099,716
5. Step 5: Solve for x
   x = 4,270,099,716/42,957
6. Step 6: Final answer
   x = 99,404.05