Finding the Third Proportional to 103,813 and 155,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,813 : 155,719.50 = 155,719.50 : x
2. Step 2: Convert to fraction form
   103,813/155,719.50 = 155,719.50/x
3. Step 3: Cross multiply
   103,813x = 155,719.50 × 155,719.50
4. Step 4: Simplify right side
   103,813x = 24,248,562,680.25
5. Step 5: Solve for x
   x = 24,248,562,680.25/103,813
6. Step 6: Final answer
   x = 233,579.25