Finding the Third Proportional to 9,681,973 and 21,067,375

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681,973 : 21,067,375 = 21,067,375 : x
2. Step 2: Convert to fraction form
   9,681,973/21,067,375 = 21,067,375/x
3. Step 3: Cross multiply
   9,681,973x = 21,067,375 × 21,067,375
4. Step 4: Simplify right side
   9,681,973x = 443,834,289,390,625
5. Step 5: Solve for x
   x = 443,834,289,390,625/9,681,973
6. Step 6: Final answer
   x = 45,841,306.25