Finding the Third Proportional to 7,017,900 and 10,578,690

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017,900 : 10,578,690 = 10,578,690 : x
2. Step 2: Convert to fraction form
   7,017,900/10,578,690 = 10,578,690/x
3. Step 3: Cross multiply
   7,017,900x = 10,578,690 × 10,578,690
4. Step 4: Simplify right side
   7,017,900x = 111,908,682,116,100
5. Step 5: Solve for x
   x = 111,908,682,116,100/7,017,900
6. Step 6: Final answer
   x = 15,946,177.93