Finding the Third Proportional to 10,648.50 and 16,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,648.50 : 16,670.50 = 16,670.50 : x
2. Step 2: Convert to fraction form
   10,648.50/16,670.50 = 16,670.50/x
3. Step 3: Cross multiply
   10,648.50x = 16,670.50 × 16,670.50
4. Step 4: Simplify right side
   10,648.50x = 277,905,570.25
5. Step 5: Solve for x
   x = 277,905,570.25/10,648.50
6. Step 6: Final answer
   x = 26,098.10