Finding the Third Proportional to 103,865 and 155,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,865 : 155,621.50 = 155,621.50 : x
2. Step 2: Convert to fraction form
   103,865/155,621.50 = 155,621.50/x
3. Step 3: Cross multiply
   103,865x = 155,621.50 × 155,621.50
4. Step 4: Simplify right side
   103,865x = 24,218,051,262.25
5. Step 5: Solve for x
   x = 24,218,051,262.25/103,865
6. Step 6: Final answer
   x = 233,168.55