Finding the Third Proportional to 383,328 and 601,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   383,328 : 601,420.50 = 601,420.50 : x
2. Step 2: Convert to fraction form
   383,328/601,420.50 = 601,420.50/x
3. Step 3: Cross multiply
   383,328x = 601,420.50 × 601,420.50
4. Step 4: Simplify right side
   383,328x = 361,706,617,820.25
5. Step 5: Solve for x
   x = 361,706,617,820.25/383,328
6. Step 6: Final answer
   x = 943,595.61