Finding the Third Proportional to 103,872 and 155,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,872 : 155,632.50 = 155,632.50 : x
2. Step 2: Convert to fraction form
   103,872/155,632.50 = 155,632.50/x
3. Step 3: Cross multiply
   103,872x = 155,632.50 × 155,632.50
4. Step 4: Simplify right side
   103,872x = 24,221,475,056.25
5. Step 5: Solve for x
   x = 24,221,475,056.25/103,872
6. Step 6: Final answer
   x = 233,185.80