Finding the Third Proportional to 70,471.50 and 109,190.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,471.50 : 109,190.25 = 109,190.25 : x
2. Step 2: Convert to fraction form
   70,471.50/109,190.25 = 109,190.25/x
3. Step 3: Cross multiply
   70,471.50x = 109,190.25 × 109,190.25
4. Step 4: Simplify right side
   70,471.50x = 11,922,510,695.06
5. Step 5: Solve for x
   x = 11,922,510,695.06/70,471.50
6. Step 6: Final answer
   x = 169,182.02