Finding the Third Proportional to 5,298,992 and 8,404,479

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298,992 : 8,404,479 = 8,404,479 : x
2. Step 2: Convert to fraction form
   5,298,992/8,404,479 = 8,404,479/x
3. Step 3: Cross multiply
   5,298,992x = 8,404,479 × 8,404,479
4. Step 4: Simplify right side
   5,298,992x = 70,635,267,261,441
5. Step 5: Solve for x
   x = 70,635,267,261,441/5,298,992
6. Step 6: Final answer
   x = 13,329,944.12