Finding the Third Proportional to 174,838.50 and 383,940

Step by Step Solution

1. Step 1: Write the proportion equation
   174,838.50 : 383,940 = 383,940 : x
2. Step 2: Convert to fraction form
   174,838.50/383,940 = 383,940/x
3. Step 3: Cross multiply
   174,838.50x = 383,940 × 383,940
4. Step 4: Simplify right side
   174,838.50x = 147,409,923,600
5. Step 5: Solve for x
   x = 147,409,923,600/174,838.50
6. Step 6: Final answer
   x = 843,120.50