Finding the Third Proportional to 58,369 and 89,012

Step by Step Solution

1. Step 1: Write the proportion equation
   58,369 : 89,012 = 89,012 : x
2. Step 2: Convert to fraction form
   58,369/89,012 = 89,012/x
3. Step 3: Cross multiply
   58,369x = 89,012 × 89,012
4. Step 4: Simplify right side
   58,369x = 7,923,136,144
5. Step 5: Solve for x
   x = 7,923,136,144/58,369
6. Step 6: Final answer
   x = 135,742.19