Finding the Third Proportional to 9,771,616 and 21,470,546

Step by Step Solution

1. Step 1: Write the proportion equation
   9,771,616 : 21,470,546 = 21,470,546 : x
2. Step 2: Convert to fraction form
   9,771,616/21,470,546 = 21,470,546/x
3. Step 3: Cross multiply
   9,771,616x = 21,470,546 × 21,470,546
4. Step 4: Simplify right side
   9,771,616x = 460,984,345,538,116
5. Step 5: Solve for x
   x = 460,984,345,538,116/9,771,616
6. Step 6: Final answer
   x = 47,175,855.61