Finding the Third Proportional to 174,660 and 245,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,660 : 245,890.50 = 245,890.50 : x
2. Step 2: Convert to fraction form
   174,660/245,890.50 = 245,890.50/x
3. Step 3: Cross multiply
   174,660x = 245,890.50 × 245,890.50
4. Step 4: Simplify right side
   174,660x = 60,462,137,990.25
5. Step 5: Solve for x
   x = 60,462,137,990.25/174,660
6. Step 6: Final answer
   x = 346,170.49