Finding the Third Proportional to 673,526 and 1,066,305

Step by Step Solution

1. Step 1: Write the proportion equation
   673,526 : 1,066,305 = 1,066,305 : x
2. Step 2: Convert to fraction form
   673,526/1,066,305 = 1,066,305/x
3. Step 3: Cross multiply
   673,526x = 1,066,305 × 1,066,305
4. Step 4: Simplify right side
   673,526x = 1,137,006,353,025
5. Step 5: Solve for x
   x = 1,137,006,353,025/673,526
6. Step 6: Final answer
   x = 1,688,140.25