Finding the Third Proportional to 307,297.50 and 670,632

Step by Step Solution

1. Step 1: Write the proportion equation
   307,297.50 : 670,632 = 670,632 : x
2. Step 2: Convert to fraction form
   307,297.50/670,632 = 670,632/x
3. Step 3: Cross multiply
   307,297.50x = 670,632 × 670,632
4. Step 4: Simplify right side
   307,297.50x = 449,747,279,424
5. Step 5: Solve for x
   x = 449,747,279,424/307,297.50
6. Step 6: Final answer
   x = 1,463,556.58