Finding the Third Proportional to 70,074 and 145,116

Step by Step Solution

1. Step 1: Write the proportion equation
   70,074 : 145,116 = 145,116 : x
2. Step 2: Convert to fraction form
   70,074/145,116 = 145,116/x
3. Step 3: Cross multiply
   70,074x = 145,116 × 145,116
4. Step 4: Simplify right side
   70,074x = 21,058,653,456
5. Step 5: Solve for x
   x = 21,058,653,456/70,074
6. Step 6: Final answer
   x = 300,520.21