Finding the Third Proportional to 467,856 and 991,521

Step by Step Solution

1. Step 1: Write the proportion equation
   467,856 : 991,521 = 991,521 : x
2. Step 2: Convert to fraction form
   467,856/991,521 = 991,521/x
3. Step 3: Cross multiply
   467,856x = 991,521 × 991,521
4. Step 4: Simplify right side
   467,856x = 983,113,893,441
5. Step 5: Solve for x
   x = 983,113,893,441/467,856
6. Step 6: Final answer
   x = 2,101,317.27