Finding the Third Proportional to 159,210 and 216,336.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,210 : 216,336.50 = 216,336.50 : x
2. Step 2: Convert to fraction form
   159,210/216,336.50 = 216,336.50/x
3. Step 3: Cross multiply
   159,210x = 216,336.50 × 216,336.50
4. Step 4: Simplify right side
   159,210x = 46,801,481,232.25
5. Step 5: Solve for x
   x = 46,801,481,232.25/159,210
6. Step 6: Final answer
   x = 293,960.69