Finding the Third Proportional to 159,308 and 216,484

Step by Step Solution

1. Step 1: Write the proportion equation
   159,308 : 216,484 = 216,484 : x
2. Step 2: Convert to fraction form
   159,308/216,484 = 216,484/x
3. Step 3: Cross multiply
   159,308x = 216,484 × 216,484
4. Step 4: Simplify right side
   159,308x = 46,865,322,256
5. Step 5: Solve for x
   x = 46,865,322,256/159,308
6. Step 6: Final answer
   x = 294,180.60