Finding the Third Proportional to 4,262,500 and 9,131,480

Step by Step Solution

1. Step 1: Write the proportion equation
   4,262,500 : 9,131,480 = 9,131,480 : x
2. Step 2: Convert to fraction form
   4,262,500/9,131,480 = 9,131,480/x
3. Step 3: Cross multiply
   4,262,500x = 9,131,480 × 9,131,480
4. Step 4: Simplify right side
   4,262,500x = 83,383,926,990,400
5. Step 5: Solve for x
   x = 83,383,926,990,400/4,262,500
6. Step 6: Final answer
   x = 19,562,211.61