Finding the Third Proportional to 3,276,367.73 and 5,128,456.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276,367.73 : 5,128,456.78 = 5,128,456.78 : x
2. Step 2: Convert to fraction form
   3,276,367.73/5,128,456.78 = 5,128,456.78/x
3. Step 3: Cross multiply
   3,276,367.73x = 5,128,456.78 × 5,128,456.78
4. Step 4: Simplify right side
   3,276,367.73x = 26,301,068,957,149.11
5. Step 5: Solve for x
   x = 26,301,068,957,149.11/3,276,367.73
6. Step 6: Final answer
   x = 8,027,508.23