Finding the Third Proportional to 3,686,271 and 8,081,130

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,271 : 8,081,130 = 8,081,130 : x
2. Step 2: Convert to fraction form
   3,686,271/8,081,130 = 8,081,130/x
3. Step 3: Cross multiply
   3,686,271x = 8,081,130 × 8,081,130
4. Step 4: Simplify right side
   3,686,271x = 65,304,662,076,900
5. Step 5: Solve for x
   x = 65,304,662,076,900/3,686,271
6. Step 6: Final answer
   x = 17,715,643.28