Finding the Third Proportional to 91,455 and 137,426

Step by Step Solution

1. Step 1: Write the proportion equation
   91,455 : 137,426 = 137,426 : x
2. Step 2: Convert to fraction form
   91,455/137,426 = 137,426/x
3. Step 3: Cross multiply
   91,455x = 137,426 × 137,426
4. Step 4: Simplify right side
   91,455x = 18,885,905,476
5. Step 5: Solve for x
   x = 18,885,905,476/91,455
6. Step 6: Final answer
   x = 206,504.90