Finding the Third Proportional to 276,226 and 580,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,226 : 580,314.50 = 580,314.50 : x
2. Step 2: Convert to fraction form
   276,226/580,314.50 = 580,314.50/x
3. Step 3: Cross multiply
   276,226x = 580,314.50 × 580,314.50
4. Step 4: Simplify right side
   276,226x = 336,764,918,910.25
5. Step 5: Solve for x
   x = 336,764,918,910.25/276,226
6. Step 6: Final answer
   x = 1,219,164.45