Finding the Third Proportional to 4,262,510 and 9,131,500

Step by Step Solution

1. Step 1: Write the proportion equation
   4,262,510 : 9,131,500 = 9,131,500 : x
2. Step 2: Convert to fraction form
   4,262,510/9,131,500 = 9,131,500/x
3. Step 3: Cross multiply
   4,262,510x = 9,131,500 × 9,131,500
4. Step 4: Simplify right side
   4,262,510x = 83,384,292,250,000
5. Step 5: Solve for x
   x = 83,384,292,250,000/4,262,510
6. Step 6: Final answer
   x = 19,562,251.41