Finding the Third Proportional to 307,066 and 666,582

Step by Step Solution

1. Step 1: Write the proportion equation
   307,066 : 666,582 = 666,582 : x
2. Step 2: Convert to fraction form
   307,066/666,582 = 666,582/x
3. Step 3: Cross multiply
   307,066x = 666,582 × 666,582
4. Step 4: Simplify right side
   307,066x = 444,331,562,724
5. Step 5: Solve for x
   x = 444,331,562,724/307,066
6. Step 6: Final answer
   x = 1,447,022.99