Finding the Third Proportional to 58,114 and 89,435

Step by Step Solution

1. Step 1: Write the proportion equation
   58,114 : 89,435 = 89,435 : x
2. Step 2: Convert to fraction form
   58,114/89,435 = 89,435/x
3. Step 3: Cross multiply
   58,114x = 89,435 × 89,435
4. Step 4: Simplify right side
   58,114x = 7,998,619,225
5. Step 5: Solve for x
   x = 7,998,619,225/58,114
6. Step 6: Final answer
   x = 137,636.70