Finding the Third Proportional to 9,047,848 and 19,721,456

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047,848 : 19,721,456 = 19,721,456 : x
2. Step 2: Convert to fraction form
   9,047,848/19,721,456 = 19,721,456/x
3. Step 3: Cross multiply
   9,047,848x = 19,721,456 × 19,721,456
4. Step 4: Simplify right side
   9,047,848x = 388,935,826,759,936
5. Step 5: Solve for x
   x = 388,935,826,759,936/9,047,848
6. Step 6: Final answer
   x = 42,986,556.22