Finding the Third Proportional to 21,269,978 and 46,521,268

Step by Step Solution

1. Step 1: Write the proportion equation
   21,269,978 : 46,521,268 = 46,521,268 : x
2. Step 2: Convert to fraction form
   21,269,978/46,521,268 = 46,521,268/x
3. Step 3: Cross multiply
   21,269,978x = 46,521,268 × 46,521,268
4. Step 4: Simplify right side
   21,269,978x = 2,164,228,376,327,824
5. Step 5: Solve for x
   x = 2,164,228,376,327,824/21,269,978
6. Step 6: Final answer
   x = 101,750,381.52