Finding the Third Proportional to 713,903 and 1,105,415

Step by Step Solution

1. Step 1: Write the proportion equation
   713,903 : 1,105,415 = 1,105,415 : x
2. Step 2: Convert to fraction form
   713,903/1,105,415 = 1,105,415/x
3. Step 3: Cross multiply
   713,903x = 1,105,415 × 1,105,415
4. Step 4: Simplify right side
   713,903x = 1,221,942,322,225
5. Step 5: Solve for x
   x = 1,221,942,322,225/713,903
6. Step 6: Final answer
   x = 1,711,636.35