Finding the Third Proportional to 13,843,531 and 21,490,856

Step by Step Solution

1. Step 1: Write the proportion equation
   13,843,531 : 21,490,856 = 21,490,856 : x
2. Step 2: Convert to fraction form
   13,843,531/21,490,856 = 21,490,856/x
3. Step 3: Cross multiply
   13,843,531x = 21,490,856 × 21,490,856
4. Step 4: Simplify right side
   13,843,531x = 461,856,891,612,736
5. Step 5: Solve for x
   x = 461,856,891,612,736/13,843,531
6. Step 6: Final answer
   x = 33,362,650.87