Finding the Third Proportional to 42,385 and 63,669

Step by Step Solution

1. Step 1: Write the proportion equation
   42,385 : 63,669 = 63,669 : x
2. Step 2: Convert to fraction form
   42,385/63,669 = 63,669/x
3. Step 3: Cross multiply
   42,385x = 63,669 × 63,669
4. Step 4: Simplify right side
   42,385x = 4,053,741,561
5. Step 5: Solve for x
   x = 4,053,741,561/42,385
6. Step 6: Final answer
   x = 95,640.95