Finding the Third Proportional to 525,158 and 1,145,372

Step by Step Solution

1. Step 1: Write the proportion equation
   525,158 : 1,145,372 = 1,145,372 : x
2. Step 2: Convert to fraction form
   525,158/1,145,372 = 1,145,372/x
3. Step 3: Cross multiply
   525,158x = 1,145,372 × 1,145,372
4. Step 4: Simplify right side
   525,158x = 1,311,877,018,384
5. Step 5: Solve for x
   x = 1,311,877,018,384/525,158
6. Step 6: Final answer
   x = 2,498,061.57