Finding the Third Proportional to 42,176 and 63,147

Step by Step Solution

1. Step 1: Write the proportion equation
   42,176 : 63,147 = 63,147 : x
2. Step 2: Convert to fraction form
   42,176/63,147 = 63,147/x
3. Step 3: Cross multiply
   42,176x = 63,147 × 63,147
4. Step 4: Simplify right side
   42,176x = 3,987,543,609
5. Step 5: Solve for x
   x = 3,987,543,609/42,176
6. Step 6: Final answer
   x = 94,545.32