Finding the Third Proportional to 42,067 and 64,658

Step by Step Solution

1. Step 1: Write the proportion equation
   42,067 : 64,658 = 64,658 : x
2. Step 2: Convert to fraction form
   42,067/64,658 = 64,658/x
3. Step 3: Cross multiply
   42,067x = 64,658 × 64,658
4. Step 4: Simplify right side
   42,067x = 4,180,656,964
5. Step 5: Solve for x
   x = 4,180,656,964/42,067
6. Step 6: Final answer
   x = 99,380.92