Finding the Third Proportional to 57,336 and 88,558

Step by Step Solution

1. Step 1: Write the proportion equation
   57,336 : 88,558 = 88,558 : x
2. Step 2: Convert to fraction form
   57,336/88,558 = 88,558/x
3. Step 3: Cross multiply
   57,336x = 88,558 × 88,558
4. Step 4: Simplify right side
   57,336x = 7,842,519,364
5. Step 5: Solve for x
   x = 7,842,519,364/57,336
6. Step 6: Final answer
   x = 136,781.77