Finding the Third Proportional to 313,073.50 and 666,632

Step by Step Solution

1. Step 1: Write the proportion equation
   313,073.50 : 666,632 = 666,632 : x
2. Step 2: Convert to fraction form
   313,073.50/666,632 = 666,632/x
3. Step 3: Cross multiply
   313,073.50x = 666,632 × 666,632
4. Step 4: Simplify right side
   313,073.50x = 444,398,223,424
5. Step 5: Solve for x
   x = 444,398,223,424/313,073.50
6. Step 6: Final answer
   x = 1,419,469.30