Finding the Third Proportional to 21,557,456 and 45,936,928

Step by Step Solution

1. Step 1: Write the proportion equation
   21,557,456 : 45,936,928 = 45,936,928 : x
2. Step 2: Convert to fraction form
   21,557,456/45,936,928 = 45,936,928/x
3. Step 3: Cross multiply
   21,557,456x = 45,936,928 × 45,936,928
4. Step 4: Simplify right side
   21,557,456x = 2,110,201,354,077,184
5. Step 5: Solve for x
   x = 2,110,201,354,077,184/21,557,456
6. Step 6: Final answer
   x = 97,887,308.88