Finding the Third Proportional to 16,371,816 and 35,648,144

Step by Step Solution

1. Step 1: Write the proportion equation
   16,371,816 : 35,648,144 = 35,648,144 : x
2. Step 2: Convert to fraction form
   16,371,816/35,648,144 = 35,648,144/x
3. Step 3: Cross multiply
   16,371,816x = 35,648,144 × 35,648,144
4. Step 4: Simplify right side
   16,371,816x = 1,270,790,170,644,736
5. Step 5: Solve for x
   x = 1,270,790,170,644,736/16,371,816
6. Step 6: Final answer
   x = 77,620,599.37