Finding the Third Proportional to 7,017,965.50 and 10,578,790

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017,965.50 : 10,578,790 = 10,578,790 : x
2. Step 2: Convert to fraction form
   7,017,965.50/10,578,790 = 10,578,790/x
3. Step 3: Cross multiply
   7,017,965.50x = 10,578,790 × 10,578,790
4. Step 4: Simplify right side
   7,017,965.50x = 111,910,797,864,100
5. Step 5: Solve for x
   x = 111,910,797,864,100/7,017,965.50
6. Step 6: Final answer
   x = 15,946,330.58