Finding the Third Proportional to 40,804,972 and 86,215,278

Step by Step Solution

1. Step 1: Write the proportion equation
   40,804,972 : 86,215,278 = 86,215,278 : x
2. Step 2: Convert to fraction form
   40,804,972/86,215,278 = 86,215,278/x
3. Step 3: Cross multiply
   40,804,972x = 86,215,278 × 86,215,278
4. Step 4: Simplify right side
   40,804,972x = 7,433,074,160,617,284
5. Step 5: Solve for x
   x = 7,433,074,160,617,284/40,804,972
6. Step 6: Final answer
   x = 182,160,991.57