Finding the Third Proportional to 174,221 and 245,349.75

Step by Step Solution

1. Step 1: Write the proportion equation
   174,221 : 245,349.75 = 245,349.75 : x
2. Step 2: Convert to fraction form
   174,221/245,349.75 = 245,349.75/x
3. Step 3: Cross multiply
   174,221x = 245,349.75 × 245,349.75
4. Step 4: Simplify right side
   174,221x = 60,196,499,825.06
5. Step 5: Solve for x
   x = 60,196,499,825.06/174,221
6. Step 6: Final answer
   x = 345,518.05