Finding the Third Proportional to 42,168 and 63,354

Step by Step Solution

1. Step 1: Write the proportion equation
   42,168 : 63,354 = 63,354 : x
2. Step 2: Convert to fraction form
   42,168/63,354 = 63,354/x
3. Step 3: Cross multiply
   42,168x = 63,354 × 63,354
4. Step 4: Simplify right side
   42,168x = 4,013,729,316
5. Step 5: Solve for x
   x = 4,013,729,316/42,168
6. Step 6: Final answer
   x = 95,184.25