Finding the Third Proportional to 62,903 and 137,469

Step by Step Solution

1. Step 1: Write the proportion equation
   62,903 : 137,469 = 137,469 : x
2. Step 2: Convert to fraction form
   62,903/137,469 = 137,469/x
3. Step 3: Cross multiply
   62,903x = 137,469 × 137,469
4. Step 4: Simplify right side
   62,903x = 18,897,725,961
5. Step 5: Solve for x
   x = 18,897,725,961/62,903
6. Step 6: Final answer
   x = 300,426.47