Finding the Third Proportional to 1,372,206 and 3,009,405

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,206 : 3,009,405 = 3,009,405 : x
2. Step 2: Convert to fraction form
   1,372,206/3,009,405 = 3,009,405/x
3. Step 3: Cross multiply
   1,372,206x = 3,009,405 × 3,009,405
4. Step 4: Simplify right side
   1,372,206x = 9,056,518,454,025
5. Step 5: Solve for x
   x = 9,056,518,454,025/1,372,206
6. Step 6: Final answer
   x = 6,599,970.01