Finding the Third Proportional to 939,860 and 1,410,078

Step by Step Solution

1. Step 1: Write the proportion equation
   939,860 : 1,410,078 = 1,410,078 : x
2. Step 2: Convert to fraction form
   939,860/1,410,078 = 1,410,078/x
3. Step 3: Cross multiply
   939,860x = 1,410,078 × 1,410,078
4. Step 4: Simplify right side
   939,860x = 1,988,319,966,084
5. Step 5: Solve for x
   x = 1,988,319,966,084/939,860
6. Step 6: Final answer
   x = 2,115,549.09