Finding the Third Proportional to 70,976.25 and 109,881.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,976.25 : 109,881.56 = 109,881.56 : x
2. Step 2: Convert to fraction form
   70,976.25/109,881.56 = 109,881.56/x
3. Step 3: Cross multiply
   70,976.25x = 109,881.56 × 109,881.56
4. Step 4: Simplify right side
   70,976.25x = 12,073,957,777.44
5. Step 5: Solve for x
   x = 12,073,957,777.44/70,976.25
6. Step 6: Final answer
   x = 170,112.65