Finding the Third Proportional to 40,804,987 and 86,215,309

Step by Step Solution

1. Step 1: Write the proportion equation
   40,804,987 : 86,215,309 = 86,215,309 : x
2. Step 2: Convert to fraction form
   40,804,987/86,215,309 = 86,215,309/x
3. Step 3: Cross multiply
   40,804,987x = 86,215,309 × 86,215,309
4. Step 4: Simplify right side
   40,804,987x = 7,433,079,505,965,481
5. Step 5: Solve for x
   x = 7,433,079,505,965,481/40,804,987
6. Step 6: Final answer
   x = 182,161,055.61