Finding the Third Proportional to 25,313.50 and 55,478

Step by Step Solution

1. Step 1: Write the proportion equation
   25,313.50 : 55,478 = 55,478 : x
2. Step 2: Convert to fraction form
   25,313.50/55,478 = 55,478/x
3. Step 3: Cross multiply
   25,313.50x = 55,478 × 55,478
4. Step 4: Simplify right side
   25,313.50x = 3,077,808,484
5. Step 5: Solve for x
   x = 3,077,808,484/25,313.50
6. Step 6: Final answer
   x = 121,587.63