Finding the Third Proportional to 665,143 and 1,014,321

Step by Step Solution

1. Step 1: Write the proportion equation
   665,143 : 1,014,321 = 1,014,321 : x
2. Step 2: Convert to fraction form
   665,143/1,014,321 = 1,014,321/x
3. Step 3: Cross multiply
   665,143x = 1,014,321 × 1,014,321
4. Step 4: Simplify right side
   665,143x = 1,028,847,091,041
5. Step 5: Solve for x
   x = 1,028,847,091,041/665,143
6. Step 6: Final answer
   x = 1,546,805.86