Finding the Third Proportional to 10,201,243 and 21,553,821

Step by Step Solution

1. Step 1: Write the proportion equation
   10,201,243 : 21,553,821 = 21,553,821 : x
2. Step 2: Convert to fraction form
   10,201,243/21,553,821 = 21,553,821/x
3. Step 3: Cross multiply
   10,201,243x = 21,553,821 × 21,553,821
4. Step 4: Simplify right side
   10,201,243x = 464,567,199,700,041
5. Step 5: Solve for x
   x = 464,567,199,700,041/10,201,243
6. Step 6: Final answer
   x = 45,540,254.23