Finding the Third Proportional to 159,209.63 and 216,336

Step by Step Solution

1. Step 1: Write the proportion equation
   159,209.63 : 216,336 = 216,336 : x
2. Step 2: Convert to fraction form
   159,209.63/216,336 = 216,336/x
3. Step 3: Cross multiply
   159,209.63x = 216,336 × 216,336
4. Step 4: Simplify right side
   159,209.63x = 46,801,264,896
5. Step 5: Solve for x
   x = 46,801,264,896/159,209.63
6. Step 6: Final answer
   x = 293,960.02