Finding the Third Proportional to 276,849 and 601,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,849 : 601,717.50 = 601,717.50 : x
2. Step 2: Convert to fraction form
   276,849/601,717.50 = 601,717.50/x
3. Step 3: Cross multiply
   276,849x = 601,717.50 × 601,717.50
4. Step 4: Simplify right side
   276,849x = 362,063,949,806.25
5. Step 5: Solve for x
   x = 362,063,949,806.25/276,849
6. Step 6: Final answer
   x = 1,307,802.99