Finding the Third Proportional to 684,084 and 1,485,000

Step by Step Solution

1. Step 1: Write the proportion equation
   684,084 : 1,485,000 = 1,485,000 : x
2. Step 2: Convert to fraction form
   684,084/1,485,000 = 1,485,000/x
3. Step 3: Cross multiply
   684,084x = 1,485,000 × 1,485,000
4. Step 4: Simplify right side
   684,084x = 2,205,225,000,000
5. Step 5: Solve for x
   x = 2,205,225,000,000/684,084
6. Step 6: Final answer
   x = 3,223,617.28