Finding the Third Proportional to 525,228 and 1,145,488

Step by Step Solution

1. Step 1: Write the proportion equation
   525,228 : 1,145,488 = 1,145,488 : x
2. Step 2: Convert to fraction form
   525,228/1,145,488 = 1,145,488/x
3. Step 3: Cross multiply
   525,228x = 1,145,488 × 1,145,488
4. Step 4: Simplify right side
   525,228x = 1,312,142,758,144
5. Step 5: Solve for x
   x = 1,312,142,758,144/525,228
6. Step 6: Final answer
   x = 2,498,234.59