Finding the Third Proportional to 717,917,175 and 1,561,620,870

Step by Step Solution

1. Step 1: Write the proportion equation
   717,917,175 : 1,561,620,870 = 1,561,620,870 : x
2. Step 2: Convert to fraction form
   717,917,175/1,561,620,870 = 1,561,620,870/x
3. Step 3: Cross multiply
   717,917,175x = 1,561,620,870 × 1,561,620,870
4. Step 4: Simplify right side
   717,917,175x = 2,438,659,741,619,556,864
5. Step 5: Solve for x
   x = 2,438,659,741,619,556,864/717,917,175
6. Step 6: Final answer
   x = 3,396,853,880.28