Finding the Third Proportional to 455,553,848 and 680,345,563

Step by Step Solution

1. Step 1: Write the proportion equation
   455,553,848 : 680,345,563 = 680,345,563 : x
2. Step 2: Convert to fraction form
   455,553,848/680,345,563 = 680,345,563/x
3. Step 3: Cross multiply
   455,553,848x = 680,345,563 × 680,345,563
4. Step 4: Simplify right side
   455,553,848x = 462,870,085,093,786,944
5. Step 5: Solve for x
   x = 462,870,085,093,786,944/455,553,848
6. Step 6: Final answer
   x = 1,016,060,092.84