Finding the Third Proportional to 235,345.50 and 509,328

Step by Step Solution

1. Step 1: Write the proportion equation
   235,345.50 : 509,328 = 509,328 : x
2. Step 2: Convert to fraction form
   235,345.50/509,328 = 509,328/x
3. Step 3: Cross multiply
   235,345.50x = 509,328 × 509,328
4. Step 4: Simplify right side
   235,345.50x = 259,415,011,584
5. Step 5: Solve for x
   x = 259,415,011,584/235,345.50
6. Step 6: Final answer
   x = 1,102,273.09