Finding the Third Proportional to 64,382 and 139,484

Step by Step Solution

1. Step 1: Write the proportion equation
   64,382 : 139,484 = 139,484 : x
2. Step 2: Convert to fraction form
   64,382/139,484 = 139,484/x
3. Step 3: Cross multiply
   64,382x = 139,484 × 139,484
4. Step 4: Simplify right side
   64,382x = 19,455,786,256
5. Step 5: Solve for x
   x = 19,455,786,256/64,382
6. Step 6: Final answer
   x = 302,192.95