Finding the Third Proportional to 10,136,072 and 21,856,504

Step by Step Solution

1. Step 1: Write the proportion equation
   10,136,072 : 21,856,504 = 21,856,504 : x
2. Step 2: Convert to fraction form
   10,136,072/21,856,504 = 21,856,504/x
3. Step 3: Cross multiply
   10,136,072x = 21,856,504 × 21,856,504
4. Step 4: Simplify right side
   10,136,072x = 477,706,767,102,016
5. Step 5: Solve for x
   x = 477,706,767,102,016/10,136,072
6. Step 6: Final answer
   x = 47,129,377.84