Finding the Third Proportional to 12,892.50 and 27,889.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.50 : 27,889.88 = 27,889.88 : x
2. Step 2: Convert to fraction form
   12,892.50/27,889.88 = 27,889.88/x
3. Step 3: Cross multiply
   12,892.50x = 27,889.88 × 27,889.88
4. Step 4: Simplify right side
   12,892.50x = 777,845,127.52
5. Step 5: Solve for x
   x = 777,845,127.52/12,892.50
6. Step 6: Final answer
   x = 60,333.15