Finding the Third Proportional to 57,386.25 and 89,073

Step by Step Solution

1. Step 1: Write the proportion equation
   57,386.25 : 89,073 = 89,073 : x
2. Step 2: Convert to fraction form
   57,386.25/89,073 = 89,073/x
3. Step 3: Cross multiply
   57,386.25x = 89,073 × 89,073
4. Step 4: Simplify right side
   57,386.25x = 7,933,999,329
5. Step 5: Solve for x
   x = 7,933,999,329/57,386.25
6. Step 6: Final answer
   x = 138,256.10