Finding the Third Proportional to 7,353,518 and 10,985,780

Step by Step Solution

1. Step 1: Write the proportion equation
   7,353,518 : 10,985,780 = 10,985,780 : x
2. Step 2: Convert to fraction form
   7,353,518/10,985,780 = 10,985,780/x
3. Step 3: Cross multiply
   7,353,518x = 10,985,780 × 10,985,780
4. Step 4: Simplify right side
   7,353,518x = 120,687,362,208,400
5. Step 5: Solve for x
   x = 120,687,362,208,400/7,353,518
6. Step 6: Final answer
   x = 16,412,193.76