Finding the Third Proportional to 10,056.50 and 13,140

Step by Step Solution

1. Step 1: Write the proportion equation
   10,056.50 : 13,140 = 13,140 : x
2. Step 2: Convert to fraction form
   10,056.50/13,140 = 13,140/x
3. Step 3: Cross multiply
   10,056.50x = 13,140 × 13,140
4. Step 4: Simplify right side
   10,056.50x = 172,659,600
5. Step 5: Solve for x
   x = 172,659,600/10,056.50
6. Step 6: Final answer
   x = 17,168.96