Finding the Third Proportional to 9,964,044 and 21,456,272

Step by Step Solution

1. Step 1: Write the proportion equation
   9,964,044 : 21,456,272 = 21,456,272 : x
2. Step 2: Convert to fraction form
   9,964,044/21,456,272 = 21,456,272/x
3. Step 3: Cross multiply
   9,964,044x = 21,456,272 × 21,456,272
4. Step 4: Simplify right side
   9,964,044x = 460,371,608,137,984
5. Step 5: Solve for x
   x = 460,371,608,137,984/9,964,044
6. Step 6: Final answer
   x = 46,203,289.36