Finding the Third Proportional to 401,673,422,608 and 873,951,380,258

Step by Step Solution

1. Step 1: Write the proportion equation
   401,673,422,608 : 873,951,380,258 = 873,951,380,258 : x
2. Step 2: Convert to fraction form
   401,673,422,608/873,951,380,258 = 873,951,380,258/x
3. Step 3: Cross multiply
   401,673,422,608x = 873,951,380,258 × 873,951,380,258
4. Step 4: Simplify right side
   401,673,422,608x = 763,791,015,054,863,300,034,560
5. Step 5: Solve for x
   x = 763,791,015,054,863,300,034,560/401,673,422,608
6. Step 6: Final answer
   x = 1,901,522,411,156.04