Finding the Third Proportional to 13,380 and 28,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,380 : 28,612.50 = 28,612.50 : x
2. Step 2: Convert to fraction form
   13,380/28,612.50 = 28,612.50/x
3. Step 3: Cross multiply
   13,380x = 28,612.50 × 28,612.50
4. Step 4: Simplify right side
   13,380x = 818,675,156.25
5. Step 5: Solve for x
   x = 818,675,156.25/13,380
6. Step 6: Final answer
   x = 61,186.48