Finding the Third Proportional to 613,419 and 931,164

Step by Step Solution

1. Step 1: Write the proportion equation
   613,419 : 931,164 = 931,164 : x
2. Step 2: Convert to fraction form
   613,419/931,164 = 931,164/x
3. Step 3: Cross multiply
   613,419x = 931,164 × 931,164
4. Step 4: Simplify right side
   613,419x = 867,066,394,896
5. Step 5: Solve for x
   x = 867,066,394,896/613,419
6. Step 6: Final answer
   x = 1,413,497.78