Finding the Third Proportional to 338,880 and 451,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,880 : 451,788.50 = 451,788.50 : x
2. Step 2: Convert to fraction form
   338,880/451,788.50 = 451,788.50/x
3. Step 3: Cross multiply
   338,880x = 451,788.50 × 451,788.50
4. Step 4: Simplify right side
   338,880x = 204,112,848,732.25
5. Step 5: Solve for x
   x = 204,112,848,732.25/338,880
6. Step 6: Final answer
   x = 602,316.01