Finding the Third Proportional to 34,170 and 70,042

Step by Step Solution

1. Step 1: Write the proportion equation
   34,170 : 70,042 = 70,042 : x
2. Step 2: Convert to fraction form
   34,170/70,042 = 70,042/x
3. Step 3: Cross multiply
   34,170x = 70,042 × 70,042
4. Step 4: Simplify right side
   34,170x = 4,905,881,764
5. Step 5: Solve for x
   x = 4,905,881,764/34,170
6. Step 6: Final answer
   x = 143,572.78