Finding the Third Proportional to 42,156 and 65,058

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156 : 65,058 = 65,058 : x
2. Step 2: Convert to fraction form
   42,156/65,058 = 65,058/x
3. Step 3: Cross multiply
   42,156x = 65,058 × 65,058
4. Step 4: Simplify right side
   42,156x = 4,232,543,364
5. Step 5: Solve for x
   x = 4,232,543,364/42,156
6. Step 6: Final answer
   x = 100,401.92