Finding the Third Proportional to 45,903 and 64,644

Step by Step Solution

1. Step 1: Write the proportion equation
   45,903 : 64,644 = 64,644 : x
2. Step 2: Convert to fraction form
   45,903/64,644 = 64,644/x
3. Step 3: Cross multiply
   45,903x = 64,644 × 64,644
4. Step 4: Simplify right side
   45,903x = 4,178,846,736
5. Step 5: Solve for x
   x = 4,178,846,736/45,903
6. Step 6: Final answer
   x = 91,036.46