Finding the Third Proportional to 1,017,990,201 and 1,556,568,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,990,201 : 1,556,568,123 = 1,556,568,123 : x
2. Step 2: Convert to fraction form
   1,017,990,201/1,556,568,123 = 1,556,568,123/x
3. Step 3: Cross multiply
   1,017,990,201x = 1,556,568,123 × 1,556,568,123
4. Step 4: Simplify right side
   1,017,990,201x = 2,422,904,321,539,743,232
5. Step 5: Solve for x
   x = 2,422,904,321,539,743,232/1,017,990,201
6. Step 6: Final answer
   x = 2,380,086,094.31