Finding the Third Proportional to 665,139 and 1,014,315

Step by Step Solution

1. Step 1: Write the proportion equation
   665,139 : 1,014,315 = 1,014,315 : x
2. Step 2: Convert to fraction form
   665,139/1,014,315 = 1,014,315/x
3. Step 3: Cross multiply
   665,139x = 1,014,315 × 1,014,315
4. Step 4: Simplify right side
   665,139x = 1,028,834,919,225
5. Step 5: Solve for x
   x = 1,028,834,919,225/665,139
6. Step 6: Final answer
   x = 1,546,796.86