Finding the Third Proportional to 699,290,451,105 and 1,521,717,287,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   699,290,451,105 : 1,521,717,287,608.50 = 1,521,717,287,608.50 : x
2. Step 2: Convert to fraction form
   699,290,451,105/1,521,717,287,608.50 = 1,521,717,287,608.50/x
3. Step 3: Cross multiply
   699,290,451,105x = 1,521,717,287,608.50 × 1,521,717,287,608.50
4. Step 4: Simplify right side
   699,290,451,105x = 2,315,623,503,406,570,206,658,560
5. Step 5: Solve for x
   x = 2,315,623,503,406,570,206,658,560/699,290,451,105
6. Step 6: Final answer
   x = 3,311,390,138,028.46