Finding the Third Proportional to 17,115 and 36,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,115 : 36,784.50 = 36,784.50 : x
2. Step 2: Convert to fraction form
   17,115/36,784.50 = 36,784.50/x
3. Step 3: Cross multiply
   17,115x = 36,784.50 × 36,784.50
4. Step 4: Simplify right side
   17,115x = 1,353,099,440.25
5. Step 5: Solve for x
   x = 1,353,099,440.25/17,115
6. Step 6: Final answer
   x = 79,059.27