Finding the Third Proportional to 364,023,536 and 515,082,144

Step by Step Solution

1. Step 1: Write the proportion equation
   364,023,536 : 515,082,144 = 515,082,144 : x
2. Step 2: Convert to fraction form
   364,023,536/515,082,144 = 515,082,144/x
3. Step 3: Cross multiply
   364,023,536x = 515,082,144 × 515,082,144
4. Step 4: Simplify right side
   364,023,536x = 265,309,615,067,636,736
5. Step 5: Solve for x
   x = 265,309,615,067,636,736/364,023,536
6. Step 6: Final answer
   x = 728,825,443.49