Finding the Third Proportional to 525,190 and 1,145,434

Step by Step Solution

1. Step 1: Write the proportion equation
   525,190 : 1,145,434 = 1,145,434 : x
2. Step 2: Convert to fraction form
   525,190/1,145,434 = 1,145,434/x
3. Step 3: Cross multiply
   525,190x = 1,145,434 × 1,145,434
4. Step 4: Simplify right side
   525,190x = 1,312,019,048,356
5. Step 5: Solve for x
   x = 1,312,019,048,356/525,190
6. Step 6: Final answer
   x = 2,498,179.80