Finding the Third Proportional to 42,288 and 59,122

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288 : 59,122 = 59,122 : x
2. Step 2: Convert to fraction form
   42,288/59,122 = 59,122/x
3. Step 3: Cross multiply
   42,288x = 59,122 × 59,122
4. Step 4: Simplify right side
   42,288x = 3,495,410,884
5. Step 5: Solve for x
   x = 3,495,410,884/42,288
6. Step 6: Final answer
   x = 82,657.28