Finding the Third Proportional to 58,119.50 and 89,808

Step by Step Solution

1. Step 1: Write the proportion equation
   58,119.50 : 89,808 = 89,808 : x
2. Step 2: Convert to fraction form
   58,119.50/89,808 = 89,808/x
3. Step 3: Cross multiply
   58,119.50x = 89,808 × 89,808
4. Step 4: Simplify right side
   58,119.50x = 8,065,476,864
5. Step 5: Solve for x
   x = 8,065,476,864/58,119.50
6. Step 6: Final answer
   x = 138,774.02