Finding the Third Proportional to 13,450,971 and 21,413,556

Step by Step Solution

1. Step 1: Write the proportion equation
   13,450,971 : 21,413,556 = 21,413,556 : x
2. Step 2: Convert to fraction form
   13,450,971/21,413,556 = 21,413,556/x
3. Step 3: Cross multiply
   13,450,971x = 21,413,556 × 21,413,556
4. Step 4: Simplify right side
   13,450,971x = 458,540,380,565,136
5. Step 5: Solve for x
   x = 458,540,380,565,136/13,450,971
6. Step 6: Final answer
   x = 34,089,760.55