Finding the Third Proportional to 69,300.56 and 149,661.42

Step by Step Solution

1. Step 1: Write the proportion equation
   69,300.56 : 149,661.42 = 149,661.42 : x
2. Step 2: Convert to fraction form
   69,300.56/149,661.42 = 149,661.42/x
3. Step 3: Cross multiply
   69,300.56x = 149,661.42 × 149,661.42
4. Step 4: Simplify right side
   69,300.56x = 22,398,541,197.65
5. Step 5: Solve for x
   x = 22,398,541,197.65/69,300.56
6. Step 6: Final answer
   x = 323,208.65