Finding the Third Proportional to 1,917,635,789.25 and 4,480,464,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,635,789.25 : 4,480,464,064.50 = 4,480,464,064.50 : x
2. Step 2: Convert to fraction form
   1,917,635,789.25/4,480,464,064.50 = 4,480,464,064.50/x
3. Step 3: Cross multiply
   1,917,635,789.25x = 4,480,464,064.50 × 4,480,464,064.50
4. Step 4: Simplify right side
   1,917,635,789.25x = 20,074,558,233,275,858,944
5. Step 5: Solve for x
   x = 20,074,558,233,275,858,944/1,917,635,789.25
6. Step 6: Final answer
   x = 10,468,389,433.39