Finding the Third Proportional to 4,599,858,509 and 10,005,659,786

Step by Step Solution

1. Step 1: Write the proportion equation
   4,599,858,509 : 10,005,659,786 = 10,005,659,786 : x
2. Step 2: Convert to fraction form
   4,599,858,509/10,005,659,786 = 10,005,659,786/x
3. Step 3: Cross multiply
   4,599,858,509x = 10,005,659,786 × 10,005,659,786
4. Step 4: Simplify right side
   4,599,858,509x = 100,113,227,753,177,563,136
5. Step 5: Solve for x
   x = 100,113,227,753,177,563,136/4,599,858,509
6. Step 6: Final answer
   x = 21,764,414,613.47