Finding the Third Proportional to 2,639,196.42 and 5,782,803.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,196.42 : 5,782,803.89 = 5,782,803.89 : x
2. Step 2: Convert to fraction form
   2,639,196.42/5,782,803.89 = 5,782,803.89/x
3. Step 3: Cross multiply
   2,639,196.42x = 5,782,803.89 × 5,782,803.89
4. Step 4: Simplify right side
   2,639,196.42x = 33,440,820,837,427.64
5. Step 5: Solve for x
   x = 33,440,820,837,427.64/2,639,196.42
6. Step 6: Final answer
   x = 12,670,834.41