Finding the Third Proportional to 58,701 and 89,174

Step by Step Solution

1. Step 1: Write the proportion equation
   58,701 : 89,174 = 89,174 : x
2. Step 2: Convert to fraction form
   58,701/89,174 = 89,174/x
3. Step 3: Cross multiply
   58,701x = 89,174 × 89,174
4. Step 4: Simplify right side
   58,701x = 7,952,002,276
5. Step 5: Solve for x
   x = 7,952,002,276/58,701
6. Step 6: Final answer
   x = 135,466.21