Finding the Third Proportional to 1,293,218,920.69 and 2,831,265,793.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,218,920.69 : 2,831,265,793.69 = 2,831,265,793.69 : x
2. Step 2: Convert to fraction form
   1,293,218,920.69/2,831,265,793.69 = 2,831,265,793.69/x
3. Step 3: Cross multiply
   1,293,218,920.69x = 2,831,265,793.69 × 2,831,265,793.69
4. Step 4: Simplify right side
   1,293,218,920.69x = 8,016,065,994,504,909,824
5. Step 5: Solve for x
   x = 8,016,065,994,504,909,824/1,293,218,920.69
6. Step 6: Final answer
   x = 6,198,537,514.63