Finding the Third Proportional to 40,804,978 and 86,215,292

Step by Step Solution

1. Step 1: Write the proportion equation
   40,804,978 : 86,215,292 = 86,215,292 : x
2. Step 2: Convert to fraction form
   40,804,978/86,215,292 = 86,215,292/x
3. Step 3: Cross multiply
   40,804,978x = 86,215,292 × 86,215,292
4. Step 4: Simplify right side
   40,804,978x = 7,433,076,574,645,264
5. Step 5: Solve for x
   x = 7,433,076,574,645,264/40,804,978
6. Step 6: Final answer
   x = 182,161,023.95