Finding the Third Proportional to 525,192 and 1,145,440

Step by Step Solution

1. Step 1: Write the proportion equation
   525,192 : 1,145,440 = 1,145,440 : x
2. Step 2: Convert to fraction form
   525,192/1,145,440 = 1,145,440/x
3. Step 3: Cross multiply
   525,192x = 1,145,440 × 1,145,440
4. Step 4: Simplify right side
   525,192x = 1,312,032,793,600
5. Step 5: Solve for x
   x = 1,312,032,793,600/525,192
6. Step 6: Final answer
   x = 2,498,196.46