Finding the Third Proportional to 8,947.69 and 19,432.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,947.69 : 19,432.69 = 19,432.69 : x
2. Step 2: Convert to fraction form
   8,947.69/19,432.69 = 19,432.69/x
3. Step 3: Cross multiply
   8,947.69x = 19,432.69 × 19,432.69
4. Step 4: Simplify right side
   8,947.69x = 377,629,343.47
5. Step 5: Solve for x
   x = 377,629,343.47/8,947.69
6. Step 6: Final answer
   x = 42,204.13