Finding the Third Proportional to 21,054,636 and 30,851,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,054,636 : 30,851,968.50 = 30,851,968.50 : x
2. Step 2: Convert to fraction form
   21,054,636/30,851,968.50 = 30,851,968.50/x
3. Step 3: Cross multiply
   21,054,636x = 30,851,968.50 × 30,851,968.50
4. Step 4: Simplify right side
   21,054,636x = 951,843,960,324,992.25
5. Step 5: Solve for x
   x = 951,843,960,324,992.25/21,054,636
6. Step 6: Final answer
   x = 45,208,283.83