Finding the Third Proportional to 14,917,922 and 21,056,544

Step by Step Solution

1. Step 1: Write the proportion equation
   14,917,922 : 21,056,544 = 21,056,544 : x
2. Step 2: Convert to fraction form
   14,917,922/21,056,544 = 21,056,544/x
3. Step 3: Cross multiply
   14,917,922x = 21,056,544 × 21,056,544
4. Step 4: Simplify right side
   14,917,922x = 443,378,045,223,936
5. Step 5: Solve for x
   x = 443,378,045,223,936/14,917,922
6. Step 6: Final answer
   x = 29,721,166.61