Finding the Third Proportional to 9,721,041 and 21,272,898

Step by Step Solution

1. Step 1: Write the proportion equation
   9,721,041 : 21,272,898 = 21,272,898 : x
2. Step 2: Convert to fraction form
   9,721,041/21,272,898 = 21,272,898/x
3. Step 3: Cross multiply
   9,721,041x = 21,272,898 × 21,272,898
4. Step 4: Simplify right side
   9,721,041x = 452,536,189,318,404
5. Step 5: Solve for x
   x = 452,536,189,318,404/9,721,041
6. Step 6: Final answer
   x = 46,552,235.44