Finding the Third Proportional to 174,871.50 and 377,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,871.50 : 377,654.50 = 377,654.50 : x
2. Step 2: Convert to fraction form
   174,871.50/377,654.50 = 377,654.50/x
3. Step 3: Cross multiply
   174,871.50x = 377,654.50 × 377,654.50
4. Step 4: Simplify right side
   174,871.50x = 142,622,921,370.25
5. Step 5: Solve for x
   x = 142,622,921,370.25/174,871.50
6. Step 6: Final answer
   x = 815,587.00