Finding the Third Proportional to 276,723 and 607,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,723 : 607,603.50 = 607,603.50 : x
2. Step 2: Convert to fraction form
   276,723/607,603.50 = 607,603.50/x
3. Step 3: Cross multiply
   276,723x = 607,603.50 × 607,603.50
4. Step 4: Simplify right side
   276,723x = 369,182,013,212.25
5. Step 5: Solve for x
   x = 369,182,013,212.25/276,723
6. Step 6: Final answer
   x = 1,334,121.17