Finding the Third Proportional to 70,980 and 109,886

Step by Step Solution

1. Step 1: Write the proportion equation
   70,980 : 109,886 = 109,886 : x
2. Step 2: Convert to fraction form
   70,980/109,886 = 109,886/x
3. Step 3: Cross multiply
   70,980x = 109,886 × 109,886
4. Step 4: Simplify right side
   70,980x = 12,074,932,996
5. Step 5: Solve for x
   x = 12,074,932,996/70,980
6. Step 6: Final answer
   x = 170,117.40