Finding the Third Proportional to 56,636.25 and 89,976.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,636.25 : 89,976.38 = 89,976.38 : x
2. Step 2: Convert to fraction form
   56,636.25/89,976.38 = 89,976.38/x
3. Step 3: Cross multiply
   56,636.25x = 89,976.38 × 89,976.38
4. Step 4: Simplify right side
   56,636.25x = 8,095,748,058.14
5. Step 5: Solve for x
   x = 8,095,748,058.14/56,636.25
6. Step 6: Final answer
   x = 142,942.87