Finding the Third Proportional to 13,042.50 and 27,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.50 : 27,929.50 = 27,929.50 : x
2. Step 2: Convert to fraction form
   13,042.50/27,929.50 = 27,929.50/x
3. Step 3: Cross multiply
   13,042.50x = 27,929.50 × 27,929.50
4. Step 4: Simplify right side
   13,042.50x = 780,056,970.25
5. Step 5: Solve for x
   x = 780,056,970.25/13,042.50
6. Step 6: Final answer
   x = 59,808.85