Finding the Third Proportional to 4,826,808 and 9,531,792

Step by Step Solution

1. Step 1: Write the proportion equation
   4,826,808 : 9,531,792 = 9,531,792 : x
2. Step 2: Convert to fraction form
   4,826,808/9,531,792 = 9,531,792/x
3. Step 3: Cross multiply
   4,826,808x = 9,531,792 × 9,531,792
4. Step 4: Simplify right side
   4,826,808x = 90,855,058,731,264
5. Step 5: Solve for x
   x = 90,855,058,731,264/4,826,808
6. Step 6: Final answer
   x = 18,823,010.72