Finding the Third Proportional to 26,428.78 and 40,904.16

Step by Step Solution

1. Step 1: Write the proportion equation
   26,428.78 : 40,904.16 = 40,904.16 : x
2. Step 2: Convert to fraction form
   26,428.78/40,904.16 = 40,904.16/x
3. Step 3: Cross multiply
   26,428.78x = 40,904.16 × 40,904.16
4. Step 4: Simplify right side
   26,428.78x = 1,673,149,998.52
5. Step 5: Solve for x
   x = 1,673,149,998.52/26,428.78
6. Step 6: Final answer
   x = 63,307.88