Finding the Third Proportional to 5,548,190 and 8,705,666

Step by Step Solution

1. Step 1: Write the proportion equation
   5,548,190 : 8,705,666 = 8,705,666 : x
2. Step 2: Convert to fraction form
   5,548,190/8,705,666 = 8,705,666/x
3. Step 3: Cross multiply
   5,548,190x = 8,705,666 × 8,705,666
4. Step 4: Simplify right side
   5,548,190x = 75,788,620,503,556
5. Step 5: Solve for x
   x = 75,788,620,503,556/5,548,190
6. Step 6: Final answer
   x = 13,660,062.20