Finding the Third Proportional to 42,408 and 63,616

Step by Step Solution

1. Step 1: Write the proportion equation
   42,408 : 63,616 = 63,616 : x
2. Step 2: Convert to fraction form
   42,408/63,616 = 63,616/x
3. Step 3: Cross multiply
   42,408x = 63,616 × 63,616
4. Step 4: Simplify right side
   42,408x = 4,046,995,456
5. Step 5: Solve for x
   x = 4,046,995,456/42,408
6. Step 6: Final answer
   x = 95,430.00