Finding the Third Proportional to 103,979.50 and 155,276

Step by Step Solution

1. Step 1: Write the proportion equation
   103,979.50 : 155,276 = 155,276 : x
2. Step 2: Convert to fraction form
   103,979.50/155,276 = 155,276/x
3. Step 3: Cross multiply
   103,979.50x = 155,276 × 155,276
4. Step 4: Simplify right side
   103,979.50x = 24,110,636,176
5. Step 5: Solve for x
   x = 24,110,636,176/103,979.50
6. Step 6: Final answer
   x = 231,878.75