Finding the Third Proportional to 339,192 and 737,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,192 : 737,338.50 = 737,338.50 : x
2. Step 2: Convert to fraction form
   339,192/737,338.50 = 737,338.50/x
3. Step 3: Cross multiply
   339,192x = 737,338.50 × 737,338.50
4. Step 4: Simplify right side
   339,192x = 543,668,063,582.25
5. Step 5: Solve for x
   x = 543,668,063,582.25/339,192
6. Step 6: Final answer
   x = 1,602,832.80