Finding the Third Proportional to 155,250 and 338,940

Step by Step Solution

1. Step 1: Write the proportion equation
   155,250 : 338,940 = 338,940 : x
2. Step 2: Convert to fraction form
   155,250/338,940 = 338,940/x
3. Step 3: Cross multiply
   155,250x = 338,940 × 338,940
4. Step 4: Simplify right side
   155,250x = 114,880,323,600
5. Step 5: Solve for x
   x = 114,880,323,600/155,250
6. Step 6: Final answer
   x = 739,969.88