Finding the Third Proportional to 3,686,259.75 and 8,081,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,259.75 : 8,081,111.25 = 8,081,111.25 : x
2. Step 2: Convert to fraction form
   3,686,259.75/8,081,111.25 = 8,081,111.25/x
3. Step 3: Cross multiply
   3,686,259.75x = 8,081,111.25 × 8,081,111.25
4. Step 4: Simplify right side
   3,686,259.75x = 65,304,359,034,876.56
5. Step 5: Solve for x
   x = 65,304,359,034,876.56/3,686,259.75
6. Step 6: Final answer
   x = 17,715,615.14