Finding the Third Proportional to 89,540.81 and 196,304.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,540.81 : 196,304.06 = 196,304.06 : x
2. Step 2: Convert to fraction form
   89,540.81/196,304.06 = 196,304.06/x
3. Step 3: Cross multiply
   89,540.81x = 196,304.06 × 196,304.06
4. Step 4: Simplify right side
   89,540.81x = 38,535,284,954.00
5. Step 5: Solve for x
   x = 38,535,284,954.00/89,540.81
6. Step 6: Final answer
   x = 430,365.59