Finding the Third Proportional to 199,662 and 301,572

Step by Step Solution

1. Step 1: Write the proportion equation
   199,662 : 301,572 = 301,572 : x
2. Step 2: Convert to fraction form
   199,662/301,572 = 301,572/x
3. Step 3: Cross multiply
   199,662x = 301,572 × 301,572
4. Step 4: Simplify right side
   199,662x = 90,945,671,184
5. Step 5: Solve for x
   x = 90,945,671,184/199,662
6. Step 6: Final answer
   x = 455,498.15