Finding the Third Proportional to 13,042 and 28,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042 : 28,122.50 = 28,122.50 : x
2. Step 2: Convert to fraction form
   13,042/28,122.50 = 28,122.50/x
3. Step 3: Cross multiply
   13,042x = 28,122.50 × 28,122.50
4. Step 4: Simplify right side
   13,042x = 790,875,006.25
5. Step 5: Solve for x
   x = 790,875,006.25/13,042
6. Step 6: Final answer
   x = 60,640.62