Finding the Third Proportional to 103,617 and 155,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,617 : 155,515.50 = 155,515.50 : x
2. Step 2: Convert to fraction form
   103,617/155,515.50 = 155,515.50/x
3. Step 3: Cross multiply
   103,617x = 155,515.50 × 155,515.50
4. Step 4: Simplify right side
   103,617x = 24,185,070,740.25
5. Step 5: Solve for x
   x = 24,185,070,740.25/103,617
6. Step 6: Final answer
   x = 233,408.33