Finding the Third Proportional to 308,304 and 672,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,304 : 672,631.50 = 672,631.50 : x
2. Step 2: Convert to fraction form
   308,304/672,631.50 = 672,631.50/x
3. Step 3: Cross multiply
   308,304x = 672,631.50 × 672,631.50
4. Step 4: Simplify right side
   308,304x = 452,433,134,792.25
5. Step 5: Solve for x
   x = 452,433,134,792.25/308,304
6. Step 6: Final answer
   x = 1,467,490.32