Finding the Third Proportional to 5,072,327 and 10,321,801

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072,327 : 10,321,801 = 10,321,801 : x
2. Step 2: Convert to fraction form
   5,072,327/10,321,801 = 10,321,801/x
3. Step 3: Cross multiply
   5,072,327x = 10,321,801 × 10,321,801
4. Step 4: Simplify right side
   5,072,327x = 106,539,575,883,601
5. Step 5: Solve for x
   x = 106,539,575,883,601/5,072,327
6. Step 6: Final answer
   x = 21,004,082.72