Finding the Third Proportional to 1,426,256.50 and 3,171,405

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,256.50 : 3,171,405 = 3,171,405 : x
2. Step 2: Convert to fraction form
   1,426,256.50/3,171,405 = 3,171,405/x
3. Step 3: Cross multiply
   1,426,256.50x = 3,171,405 × 3,171,405
4. Step 4: Simplify right side
   1,426,256.50x = 10,057,809,674,025
5. Step 5: Solve for x
   x = 10,057,809,674,025/1,426,256.50
6. Step 6: Final answer
   x = 7,051,894.01