Finding the Third Proportional to 102,215.25 and 155,169

Step by Step Solution

1. Step 1: Write the proportion equation
   102,215.25 : 155,169 = 155,169 : x
2. Step 2: Convert to fraction form
   102,215.25/155,169 = 155,169/x
3. Step 3: Cross multiply
   102,215.25x = 155,169 × 155,169
4. Step 4: Simplify right side
   102,215.25x = 24,077,418,561
5. Step 5: Solve for x
   x = 24,077,418,561/102,215.25
6. Step 6: Final answer
   x = 235,556.03