Finding the Third Proportional to 4,259,810 and 9,371,255

Step by Step Solution

1. Step 1: Write the proportion equation
   4,259,810 : 9,371,255 = 9,371,255 : x
2. Step 2: Convert to fraction form
   4,259,810/9,371,255 = 9,371,255/x
3. Step 3: Cross multiply
   4,259,810x = 9,371,255 × 9,371,255
4. Step 4: Simplify right side
   4,259,810x = 87,820,420,275,025
5. Step 5: Solve for x
   x = 87,820,420,275,025/4,259,810
6. Step 6: Final answer
   x = 20,616,041.63