Finding the Third Proportional to 42,189 and 63,549

Step by Step Solution

1. Step 1: Write the proportion equation
   42,189 : 63,549 = 63,549 : x
2. Step 2: Convert to fraction form
   42,189/63,549 = 63,549/x
3. Step 3: Cross multiply
   42,189x = 63,549 × 63,549
4. Step 4: Simplify right side
   42,189x = 4,038,475,401
5. Step 5: Solve for x
   x = 4,038,475,401/42,189
6. Step 6: Final answer
   x = 95,723.42