Finding the Third Proportional to 12,056.34 and 28,172.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,056.34 : 28,172.81 = 28,172.81 : x
2. Step 2: Convert to fraction form
   12,056.34/28,172.81 = 28,172.81/x
3. Step 3: Cross multiply
   12,056.34x = 28,172.81 × 28,172.81
4. Step 4: Simplify right side
   12,056.34x = 793,707,364.16
5. Step 5: Solve for x
   x = 793,707,364.16/12,056.34
6. Step 6: Final answer
   x = 65,833.17