Finding the Third Proportional to 7,021,188 and 10,485,450

Step by Step Solution

1. Step 1: Write the proportion equation
   7,021,188 : 10,485,450 = 10,485,450 : x
2. Step 2: Convert to fraction form
   7,021,188/10,485,450 = 10,485,450/x
3. Step 3: Cross multiply
   7,021,188x = 10,485,450 × 10,485,450
4. Step 4: Simplify right side
   7,021,188x = 109,944,661,702,500
5. Step 5: Solve for x
   x = 109,944,661,702,500/7,021,188
6. Step 6: Final answer
   x = 15,658,982.74