Finding the Third Proportional to 174,439 and 276,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,439 : 276,670.50 = 276,670.50 : x
2. Step 2: Convert to fraction form
   174,439/276,670.50 = 276,670.50/x
3. Step 3: Cross multiply
   174,439x = 276,670.50 × 276,670.50
4. Step 4: Simplify right side
   174,439x = 76,546,565,570.25
5. Step 5: Solve for x
   x = 76,546,565,570.25/174,439
6. Step 6: Final answer
   x = 438,815.66