Finding the Third Proportional to 12,357.51 and 25,591.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,357.51 : 25,591.62 = 25,591.62 : x
2. Step 2: Convert to fraction form
   12,357.51/25,591.62 = 25,591.62/x
3. Step 3: Cross multiply
   12,357.51x = 25,591.62 × 25,591.62
4. Step 4: Simplify right side
   12,357.51x = 654,931,170.17
5. Step 5: Solve for x
   x = 654,931,170.17/12,357.51
6. Step 6: Final answer
   x = 52,998.64