Finding the Third Proportional to 12,280.50 and 28,842.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280.50 : 28,842.75 = 28,842.75 : x
2. Step 2: Convert to fraction form
   12,280.50/28,842.75 = 28,842.75/x
3. Step 3: Cross multiply
   12,280.50x = 28,842.75 × 28,842.75
4. Step 4: Simplify right side
   12,280.50x = 831,904,227.56
5. Step 5: Solve for x
   x = 831,904,227.56/12,280.50
6. Step 6: Final answer
   x = 67,741.89