Finding the Third Proportional to 276,915.38 and 605,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,915.38 : 605,083.50 = 605,083.50 : x
2. Step 2: Convert to fraction form
   276,915.38/605,083.50 = 605,083.50/x
3. Step 3: Cross multiply
   276,915.38x = 605,083.50 × 605,083.50
4. Step 4: Simplify right side
   276,915.38x = 366,126,041,972.25
5. Step 5: Solve for x
   x = 366,126,041,972.25/276,915.38
6. Step 6: Final answer
   x = 1,322,158.59