Finding the Third Proportional to 57,614 and 89,018

Step by Step Solution

1. Step 1: Write the proportion equation
   57,614 : 89,018 = 89,018 : x
2. Step 2: Convert to fraction form
   57,614/89,018 = 89,018/x
3. Step 3: Cross multiply
   57,614x = 89,018 × 89,018
4. Step 4: Simplify right side
   57,614x = 7,924,204,324
5. Step 5: Solve for x
   x = 7,924,204,324/57,614
6. Step 6: Final answer
   x = 137,539.56