Finding the Third Proportional to 41,639,648 and 90,229,040

Step by Step Solution

1. Step 1: Write the proportion equation
   41,639,648 : 90,229,040 = 90,229,040 : x
2. Step 2: Convert to fraction form
   41,639,648/90,229,040 = 90,229,040/x
3. Step 3: Cross multiply
   41,639,648x = 90,229,040 × 90,229,040
4. Step 4: Simplify right side
   41,639,648x = 8,141,279,659,321,600
5. Step 5: Solve for x
   x = 8,141,279,659,321,600/41,639,648
6. Step 6: Final answer
   x = 195,517,494.75