Finding the Third Proportional to 9,892,692 and 21,477,393

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,692 : 21,477,393 = 21,477,393 : x
2. Step 2: Convert to fraction form
   9,892,692/21,477,393 = 21,477,393/x
3. Step 3: Cross multiply
   9,892,692x = 21,477,393 × 21,477,393
4. Step 4: Simplify right side
   9,892,692x = 461,278,410,076,449
5. Step 5: Solve for x
   x = 461,278,410,076,449/9,892,692
6. Step 6: Final answer
   x = 46,628,198.88