Finding the Third Proportional to 21,322,618 and 31,184,233

Step by Step Solution

1. Step 1: Write the proportion equation
   21,322,618 : 31,184,233 = 31,184,233 : x
2. Step 2: Convert to fraction form
   21,322,618/31,184,233 = 31,184,233/x
3. Step 3: Cross multiply
   21,322,618x = 31,184,233 × 31,184,233
4. Step 4: Simplify right side
   21,322,618x = 972,456,387,798,289
5. Step 5: Solve for x
   x = 972,456,387,798,289/21,322,618
6. Step 6: Final answer
   x = 45,606,800.62