Finding the Third Proportional to 670,512 and 1,446,000

Step by Step Solution

1. Step 1: Write the proportion equation
   670,512 : 1,446,000 = 1,446,000 : x
2. Step 2: Convert to fraction form
   670,512/1,446,000 = 1,446,000/x
3. Step 3: Cross multiply
   670,512x = 1,446,000 × 1,446,000
4. Step 4: Simplify right side
   670,512x = 2,090,916,000,000
5. Step 5: Solve for x
   x = 2,090,916,000,000/670,512
6. Step 6: Final answer
   x = 3,118,387.14