Finding the Third Proportional to 528,072 and 1,245,360

Step by Step Solution

1. Step 1: Write the proportion equation
   528,072 : 1,245,360 = 1,245,360 : x
2. Step 2: Convert to fraction form
   528,072/1,245,360 = 1,245,360/x
3. Step 3: Cross multiply
   528,072x = 1,245,360 × 1,245,360
4. Step 4: Simplify right side
   528,072x = 1,550,921,529,600
5. Step 5: Solve for x
   x = 1,550,921,529,600/528,072
6. Step 6: Final answer
   x = 2,936,950.89