Finding the Third Proportional to 42,044 and 64,644

Step by Step Solution

1. Step 1: Write the proportion equation
   42,044 : 64,644 = 64,644 : x
2. Step 2: Convert to fraction form
   42,044/64,644 = 64,644/x
3. Step 3: Cross multiply
   42,044x = 64,644 × 64,644
4. Step 4: Simplify right side
   42,044x = 4,178,846,736
5. Step 5: Solve for x
   x = 4,178,846,736/42,044
6. Step 6: Final answer
   x = 99,392.23