Finding the Third Proportional to 42,613 and 63,919

Step by Step Solution

1. Step 1: Write the proportion equation
   42,613 : 63,919 = 63,919 : x
2. Step 2: Convert to fraction form
   42,613/63,919 = 63,919/x
3. Step 3: Cross multiply
   42,613x = 63,919 × 63,919
4. Step 4: Simplify right side
   42,613x = 4,085,638,561
5. Step 5: Solve for x
   x = 4,085,638,561/42,613
6. Step 6: Final answer
   x = 95,877.75