Finding the Third Proportional to 28,684 and 61,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,684 : 61,518.50 = 61,518.50 : x
2. Step 2: Convert to fraction form
   28,684/61,518.50 = 61,518.50/x
3. Step 3: Cross multiply
   28,684x = 61,518.50 × 61,518.50
4. Step 4: Simplify right side
   28,684x = 3,784,525,842.25
5. Step 5: Solve for x
   x = 3,784,525,842.25/28,684
6. Step 6: Final answer
   x = 131,938.57