Finding the Third Proportional to 12,936 and 27,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936 : 27,487.50 = 27,487.50 : x
2. Step 2: Convert to fraction form
   12,936/27,487.50 = 27,487.50/x
3. Step 3: Cross multiply
   12,936x = 27,487.50 × 27,487.50
4. Step 4: Simplify right side
   12,936x = 755,562,656.25
5. Step 5: Solve for x
   x = 755,562,656.25/12,936
6. Step 6: Final answer
   x = 58,407.75