Finding the Third Proportional to 30,292 and 64,904

Step by Step Solution

1. Step 1: Write the proportion equation
   30,292 : 64,904 = 64,904 : x
2. Step 2: Convert to fraction form
   30,292/64,904 = 64,904/x
3. Step 3: Cross multiply
   30,292x = 64,904 × 64,904
4. Step 4: Simplify right side
   30,292x = 4,212,529,216
5. Step 5: Solve for x
   x = 4,212,529,216/30,292
6. Step 6: Final answer
   x = 139,064.08