Finding the Third Proportional to 276,547.50 and 597,375

Step by Step Solution

1. Step 1: Write the proportion equation
   276,547.50 : 597,375 = 597,375 : x
2. Step 2: Convert to fraction form
   276,547.50/597,375 = 597,375/x
3. Step 3: Cross multiply
   276,547.50x = 597,375 × 597,375
4. Step 4: Simplify right side
   276,547.50x = 356,856,890,625
5. Step 5: Solve for x
   x = 356,856,890,625/276,547.50
6. Step 6: Final answer
   x = 1,290,399.99