Finding the Third Proportional to 58,821 and 89,993.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,821 : 89,993.25 = 89,993.25 : x
2. Step 2: Convert to fraction form
   58,821/89,993.25 = 89,993.25/x
3. Step 3: Cross multiply
   58,821x = 89,993.25 × 89,993.25
4. Step 4: Simplify right side
   58,821x = 8,098,785,045.56
5. Step 5: Solve for x
   x = 8,098,785,045.56/58,821
6. Step 6: Final answer
   x = 137,685.27