Finding the Third Proportional to 51,442.88 and 68,276.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51,442.88 : 68,276.25 = 68,276.25 : x
2. Step 2: Convert to fraction form
   51,442.88/68,276.25 = 68,276.25/x
3. Step 3: Cross multiply
   51,442.88x = 68,276.25 × 68,276.25
4. Step 4: Simplify right side
   51,442.88x = 4,661,646,314.06
5. Step 5: Solve for x
   x = 4,661,646,314.06/51,442.88
6. Step 6: Final answer
   x = 90,617.92