Finding the Third Proportional to 80,920.69 and 189,005.06

Step by Step Solution

1. Step 1: Write the proportion equation
   80,920.69 : 189,005.06 = 189,005.06 : x
2. Step 2: Convert to fraction form
   80,920.69/189,005.06 = 189,005.06/x
3. Step 3: Cross multiply
   80,920.69x = 189,005.06 × 189,005.06
4. Step 4: Simplify right side
   80,920.69x = 35,722,913,650.63
5. Step 5: Solve for x
   x = 35,722,913,650.63/80,920.69
6. Step 6: Final answer
   x = 441,455.88