Finding the Third Proportional to 2,129,105,239 and 4,659,578,014

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,105,239 : 4,659,578,014 = 4,659,578,014 : x
2. Step 2: Convert to fraction form
   2,129,105,239/4,659,578,014 = 4,659,578,014/x
3. Step 3: Cross multiply
   2,129,105,239x = 4,659,578,014 × 4,659,578,014
4. Step 4: Simplify right side
   2,129,105,239x = 21,711,667,268,552,183,808
5. Step 5: Solve for x
   x = 21,711,667,268,552,183,808/2,129,105,239
6. Step 6: Final answer
   x = 10,197,554,761.90