Finding the Third Proportional to 3,983,904 and 8,548,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983,904 : 8,548,456.50 = 8,548,456.50 : x
2. Step 2: Convert to fraction form
   3,983,904/8,548,456.50 = 8,548,456.50/x
3. Step 3: Cross multiply
   3,983,904x = 8,548,456.50 × 8,548,456.50
4. Step 4: Simplify right side
   3,983,904x = 73,076,108,532,392.25
5. Step 5: Solve for x
   x = 73,076,108,532,392.25/3,983,904
6. Step 6: Final answer
   x = 18,342,838.72