Finding the Third Proportional to 525,200 and 1,145,456

Step by Step Solution

1. Step 1: Write the proportion equation
   525,200 : 1,145,456 = 1,145,456 : x
2. Step 2: Convert to fraction form
   525,200/1,145,456 = 1,145,456/x
3. Step 3: Cross multiply
   525,200x = 1,145,456 × 1,145,456
4. Step 4: Simplify right side
   525,200x = 1,312,069,447,936
5. Step 5: Solve for x
   x = 1,312,069,447,936/525,200
6. Step 6: Final answer
   x = 2,498,228.19