Finding the Third Proportional to 10,316,236 and 21,469,768

Step by Step Solution

1. Step 1: Write the proportion equation
   10,316,236 : 21,469,768 = 21,469,768 : x
2. Step 2: Convert to fraction form
   10,316,236/21,469,768 = 21,469,768/x
3. Step 3: Cross multiply
   10,316,236x = 21,469,768 × 21,469,768
4. Step 4: Simplify right side
   10,316,236x = 460,950,937,973,824
5. Step 5: Solve for x
   x = 460,950,937,973,824/10,316,236
6. Step 6: Final answer
   x = 44,682,085.40