Finding the Third Proportional to 455,553,849 and 680,345,565

Step by Step Solution

1. Step 1: Write the proportion equation
   455,553,849 : 680,345,565 = 680,345,565 : x
2. Step 2: Convert to fraction form
   455,553,849/680,345,565 = 680,345,565/x
3. Step 3: Cross multiply
   455,553,849x = 680,345,565 × 680,345,565
4. Step 4: Simplify right side
   455,553,849x = 462,870,087,815,169,216
5. Step 5: Solve for x
   x = 462,870,087,815,169,216/455,553,849
6. Step 6: Final answer
   x = 1,016,060,096.59