Finding the Third Proportional to 2,639,665,715.63 and 5,733,339,919.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,665,715.63 : 5,733,339,919.31 = 5,733,339,919.31 : x
2. Step 2: Convert to fraction form
   2,639,665,715.63/5,733,339,919.31 = 5,733,339,919.31/x
3. Step 3: Cross multiply
   2,639,665,715.63x = 5,733,339,919.31 × 5,733,339,919.31
4. Step 4: Simplify right side
   2,639,665,715.63x = 32,871,186,630,382,264,320
5. Step 5: Solve for x
   x = 32,871,186,630,382,264,320/2,639,665,715.63
6. Step 6: Final answer
   x = 12,452,783,864.19