Finding the Third Proportional to 928,648 and 1,388,702

Step by Step Solution

1. Step 1: Write the proportion equation
   928,648 : 1,388,702 = 1,388,702 : x
2. Step 2: Convert to fraction form
   928,648/1,388,702 = 1,388,702/x
3. Step 3: Cross multiply
   928,648x = 1,388,702 × 1,388,702
4. Step 4: Simplify right side
   928,648x = 1,928,493,244,804
5. Step 5: Solve for x
   x = 1,928,493,244,804/928,648
6. Step 6: Final answer
   x = 2,076,667.63