Finding the Third Proportional to 40,804,872 and 86,215,036

Step by Step Solution

1. Step 1: Write the proportion equation
   40,804,872 : 86,215,036 = 86,215,036 : x
2. Step 2: Convert to fraction form
   40,804,872/86,215,036 = 86,215,036/x
3. Step 3: Cross multiply
   40,804,872x = 86,215,036 × 86,215,036
4. Step 4: Simplify right side
   40,804,872x = 7,433,032,432,481,296
5. Step 5: Solve for x
   x = 7,433,032,432,481,296/40,804,872
6. Step 6: Final answer
   x = 182,160,415.37