Finding the Third Proportional to 191,004 and 415,992

Step by Step Solution

1. Step 1: Write the proportion equation
   191,004 : 415,992 = 415,992 : x
2. Step 2: Convert to fraction form
   191,004/415,992 = 415,992/x
3. Step 3: Cross multiply
   191,004x = 415,992 × 415,992
4. Step 4: Simplify right side
   191,004x = 173,049,344,064
5. Step 5: Solve for x
   x = 173,049,344,064/191,004
6. Step 6: Final answer
   x = 905,998.53