Finding the Third Proportional to 4,998,434,463 and 10,410,586,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,998,434,463 : 10,410,586,406.50 = 10,410,586,406.50 : x
2. Step 2: Convert to fraction form
   4,998,434,463/10,410,586,406.50 = 10,410,586,406.50/x
3. Step 3: Cross multiply
   4,998,434,463x = 10,410,586,406.50 × 10,410,586,406.50
4. Step 4: Simplify right side
   4,998,434,463x = 108,380,309,327,202,582,528
5. Step 5: Solve for x
   x = 108,380,309,327,202,582,528/4,998,434,463
6. Step 6: Final answer
   x = 21,682,850,926.52