Finding the Third Proportional to 673,521 and 1,066,298

Step by Step Solution

1. Step 1: Write the proportion equation
   673,521 : 1,066,298 = 1,066,298 : x
2. Step 2: Convert to fraction form
   673,521/1,066,298 = 1,066,298/x
3. Step 3: Cross multiply
   673,521x = 1,066,298 × 1,066,298
4. Step 4: Simplify right side
   673,521x = 1,136,991,424,804
5. Step 5: Solve for x
   x = 1,136,991,424,804/673,521
6. Step 6: Final answer
   x = 1,688,130.62