Finding the Third Proportional to 147,806.81 and 225,400.69

Step by Step Solution

1. Step 1: Write the proportion equation
   147,806.81 : 225,400.69 = 225,400.69 : x
2. Step 2: Convert to fraction form
   147,806.81/225,400.69 = 225,400.69/x
3. Step 3: Cross multiply
   147,806.81x = 225,400.69 × 225,400.69
4. Step 4: Simplify right side
   147,806.81x = 50,805,469,925.47
5. Step 5: Solve for x
   x = 50,805,469,925.47/147,806.81
6. Step 6: Final answer
   x = 343,728.88