Finding the Third Proportional to 12,815.72 and 26,925.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,815.72 : 26,925.75 = 26,925.75 : x
2. Step 2: Convert to fraction form
   12,815.72/26,925.75 = 26,925.75/x
3. Step 3: Cross multiply
   12,815.72x = 26,925.75 × 26,925.75
4. Step 4: Simplify right side
   12,815.72x = 724,996,013.06
5. Step 5: Solve for x
   x = 724,996,013.06/12,815.72
6. Step 6: Final answer
   x = 56,570.84