Finding the Third Proportional to 191,200 and 415,568

Step by Step Solution

1. Step 1: Write the proportion equation
   191,200 : 415,568 = 415,568 : x
2. Step 2: Convert to fraction form
   191,200/415,568 = 415,568/x
3. Step 3: Cross multiply
   191,200x = 415,568 × 415,568
4. Step 4: Simplify right side
   191,200x = 172,696,762,624
5. Step 5: Solve for x
   x = 172,696,762,624/191,200
6. Step 6: Final answer
   x = 903,225.75