Finding the Third Proportional to 89,322.75 and 196,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,322.75 : 196,146.56 = 196,146.56 : x
2. Step 2: Convert to fraction form
   89,322.75/196,146.56 = 196,146.56/x
3. Step 3: Cross multiply
   89,322.75x = 196,146.56 × 196,146.56
4. Step 4: Simplify right side
   89,322.75x = 38,473,473,980.57
5. Step 5: Solve for x
   x = 38,473,473,980.57/89,322.75
6. Step 6: Final answer
   x = 430,724.24