Finding the Third Proportional to 13,042.50 and 28,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.50 : 28,432.50 = 28,432.50 : x
2. Step 2: Convert to fraction form
   13,042.50/28,432.50 = 28,432.50/x
3. Step 3: Cross multiply
   13,042.50x = 28,432.50 × 28,432.50
4. Step 4: Simplify right side
   13,042.50x = 808,407,056.25
5. Step 5: Solve for x
   x = 808,407,056.25/13,042.50
6. Step 6: Final answer
   x = 61,982.52