Finding the Third Proportional to 250,752 and 522,240

Step by Step Solution

1. Step 1: Write the proportion equation
   250,752 : 522,240 = 522,240 : x
2. Step 2: Convert to fraction form
   250,752/522,240 = 522,240/x
3. Step 3: Cross multiply
   250,752x = 522,240 × 522,240
4. Step 4: Simplify right side
   250,752x = 272,734,617,600
5. Step 5: Solve for x
   x = 272,734,617,600/250,752
6. Step 6: Final answer
   x = 1,087,666.77