Finding the Third Proportional to 338,970 and 464,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,970 : 464,800.50 = 464,800.50 : x
2. Step 2: Convert to fraction form
   338,970/464,800.50 = 464,800.50/x
3. Step 3: Cross multiply
   338,970x = 464,800.50 × 464,800.50
4. Step 4: Simplify right side
   338,970x = 216,039,504,800.25
5. Step 5: Solve for x
   x = 216,039,504,800.25/338,970
6. Step 6: Final answer
   x = 637,341.08