Finding the Third Proportional to 16,371,729 and 35,647,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,371,729 : 35,647,969.50 = 35,647,969.50 : x
2. Step 2: Convert to fraction form
   16,371,729/35,647,969.50 = 35,647,969.50/x
3. Step 3: Cross multiply
   16,371,729x = 35,647,969.50 × 35,647,969.50
4. Step 4: Simplify right side
   16,371,729x = 1,270,777,729,472,930.25
5. Step 5: Solve for x
   x = 1,270,777,729,472,930.25/16,371,729
6. Step 6: Final answer
   x = 77,620,251.93