Finding the Third Proportional to 455,553,846 and 680,345,560.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,553,846 : 680,345,560.50 = 680,345,560.50 : x
2. Step 2: Convert to fraction form
   455,553,846/680,345,560.50 = 680,345,560.50/x
3. Step 3: Cross multiply
   455,553,846x = 680,345,560.50 × 680,345,560.50
4. Step 4: Simplify right side
   455,553,846x = 462,870,081,692,059,136
5. Step 5: Solve for x
   x = 462,870,081,692,059,136/455,553,846
6. Step 6: Final answer
   x = 1,016,060,089.84