Finding the Third Proportional to 171,843.75 and 377,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,843.75 : 377,308.50 = 377,308.50 : x
2. Step 2: Convert to fraction form
   171,843.75/377,308.50 = 377,308.50/x
3. Step 3: Cross multiply
   171,843.75x = 377,308.50 × 377,308.50
4. Step 4: Simplify right side
   171,843.75x = 142,361,704,172.25
5. Step 5: Solve for x
   x = 142,361,704,172.25/171,843.75
6. Step 6: Final answer
   x = 828,436.90