Finding the Third Proportional to 369,736.50 and 528,360

Step by Step Solution

1. Step 1: Write the proportion equation
   369,736.50 : 528,360 = 528,360 : x
2. Step 2: Convert to fraction form
   369,736.50/528,360 = 528,360/x
3. Step 3: Cross multiply
   369,736.50x = 528,360 × 528,360
4. Step 4: Simplify right side
   369,736.50x = 279,164,289,600
5. Step 5: Solve for x
   x = 279,164,289,600/369,736.50
6. Step 6: Final answer
   x = 755,035.79