Finding the Third Proportional to 9,771,627 and 21,470,568

Step by Step Solution

1. Step 1: Write the proportion equation
   9,771,627 : 21,470,568 = 21,470,568 : x
2. Step 2: Convert to fraction form
   9,771,627/21,470,568 = 21,470,568/x
3. Step 3: Cross multiply
   9,771,627x = 21,470,568 × 21,470,568
4. Step 4: Simplify right side
   9,771,627x = 460,985,290,242,624
5. Step 5: Solve for x
   x = 460,985,290,242,624/9,771,627
6. Step 6: Final answer
   x = 47,175,899.19