Finding the Third Proportional to 27,903 and 42,507

Step by Step Solution

1. Step 1: Write the proportion equation
   27,903 : 42,507 = 42,507 : x
2. Step 2: Convert to fraction form
   27,903/42,507 = 42,507/x
3. Step 3: Cross multiply
   27,903x = 42,507 × 42,507
4. Step 4: Simplify right side
   27,903x = 1,806,845,049
5. Step 5: Solve for x
   x = 1,806,845,049/27,903
6. Step 6: Final answer
   x = 64,754.51