Finding the Third Proportional to 455,553,843 and 680,345,556

Step by Step Solution

1. Step 1: Write the proportion equation
   455,553,843 : 680,345,556 = 680,345,556 : x
2. Step 2: Convert to fraction form
   455,553,843/680,345,556 = 680,345,556/x
3. Step 3: Cross multiply
   455,553,843x = 680,345,556 × 680,345,556
4. Step 4: Simplify right side
   455,553,843x = 462,870,075,568,949,120
5. Step 5: Solve for x
   x = 462,870,075,568,949,120/455,553,843
6. Step 6: Final answer
   x = 1,016,060,083.09