Finding the Third Proportional to 2,118,865,144 and 4,949,049,930

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,865,144 : 4,949,049,930 = 4,949,049,930 : x
2. Step 2: Convert to fraction form
   2,118,865,144/4,949,049,930 = 4,949,049,930/x
3. Step 3: Cross multiply
   2,118,865,144x = 4,949,049,930 × 4,949,049,930
4. Step 4: Simplify right side
   2,118,865,144x = 24,493,095,209,633,005,568
5. Step 5: Solve for x
   x = 24,493,095,209,633,005,568/2,118,865,144
6. Step 6: Final answer
   x = 11,559,534,724.99