Finding the Third Proportional to 300,736.69 and 437,572.69

Step by Step Solution

1. Step 1: Write the proportion equation
   300,736.69 : 437,572.69 = 437,572.69 : x
2. Step 2: Convert to fraction form
   300,736.69/437,572.69 = 437,572.69/x
3. Step 3: Cross multiply
   300,736.69x = 437,572.69 × 437,572.69
4. Step 4: Simplify right side
   300,736.69x = 191,469,856,845.97
5. Step 5: Solve for x
   x = 191,469,856,845.97/300,736.69
6. Step 6: Final answer
   x = 636,669.43