Finding the Third Proportional to 338,405.50 and 752,456.75

Step by Step Solution

1. Step 1: Write the proportion equation
   338,405.50 : 752,456.75 = 752,456.75 : x
2. Step 2: Convert to fraction form
   338,405.50/752,456.75 = 752,456.75/x
3. Step 3: Cross multiply
   338,405.50x = 752,456.75 × 752,456.75
4. Step 4: Simplify right side
   338,405.50x = 566,191,160,620.56
5. Step 5: Solve for x
   x = 566,191,160,620.56/338,405.50
6. Step 6: Final answer
   x = 1,673,114.53