Finding the Third Proportional to 40,289 and 88,354

Step by Step Solution

1. Step 1: Write the proportion equation
   40,289 : 88,354 = 88,354 : x
2. Step 2: Convert to fraction form
   40,289/88,354 = 88,354/x
3. Step 3: Cross multiply
   40,289x = 88,354 × 88,354
4. Step 4: Simplify right side
   40,289x = 7,806,429,316
5. Step 5: Solve for x
   x = 7,806,429,316/40,289
6. Step 6: Final answer
   x = 193,760.81