Finding the Third Proportional to 42,058 and 65,112

Step by Step Solution

1. Step 1: Write the proportion equation
   42,058 : 65,112 = 65,112 : x
2. Step 2: Convert to fraction form
   42,058/65,112 = 65,112/x
3. Step 3: Cross multiply
   42,058x = 65,112 × 65,112
4. Step 4: Simplify right side
   42,058x = 4,239,572,544
5. Step 5: Solve for x
   x = 4,239,572,544/42,058
6. Step 6: Final answer
   x = 100,803.00