Finding the Third Proportional to 56,396.25 and 89,236.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,396.25 : 89,236.69 = 89,236.69 : x
2. Step 2: Convert to fraction form
   56,396.25/89,236.69 = 89,236.69/x
3. Step 3: Cross multiply
   56,396.25x = 89,236.69 × 89,236.69
4. Step 4: Simplify right side
   56,396.25x = 7,963,186,395.97
5. Step 5: Solve for x
   x = 7,963,186,395.97/56,396.25
6. Step 6: Final answer
   x = 141,200.64