Finding the Third Proportional to 58,486 and 88,144

Step by Step Solution

1. Step 1: Write the proportion equation
   58,486 : 88,144 = 88,144 : x
2. Step 2: Convert to fraction form
   58,486/88,144 = 88,144/x
3. Step 3: Cross multiply
   58,486x = 88,144 × 88,144
4. Step 4: Simplify right side
   58,486x = 7,769,364,736
5. Step 5: Solve for x
   x = 7,769,364,736/58,486
6. Step 6: Final answer
   x = 132,841.44