Finding the Third Proportional to 139,292 and 325,468

Step by Step Solution

1. Step 1: Write the proportion equation
   139,292 : 325,468 = 325,468 : x
2. Step 2: Convert to fraction form
   139,292/325,468 = 325,468/x
3. Step 3: Cross multiply
   139,292x = 325,468 × 325,468
4. Step 4: Simplify right side
   139,292x = 105,929,419,024
5. Step 5: Solve for x
   x = 105,929,419,024/139,292
6. Step 6: Final answer
   x = 760,484.59