Finding the Third Proportional to 283,774.50 and 609,372

Step by Step Solution

1. Step 1: Write the proportion equation
   283,774.50 : 609,372 = 609,372 : x
2. Step 2: Convert to fraction form
   283,774.50/609,372 = 609,372/x
3. Step 3: Cross multiply
   283,774.50x = 609,372 × 609,372
4. Step 4: Simplify right side
   283,774.50x = 371,334,234,384
5. Step 5: Solve for x
   x = 371,334,234,384/283,774.50
6. Step 6: Final answer
   x = 1,308,553.92