Finding the Third Proportional to 89,572 and 195,518

Step by Step Solution

1. Step 1: Write the proportion equation
   89,572 : 195,518 = 195,518 : x
2. Step 2: Convert to fraction form
   89,572/195,518 = 195,518/x
3. Step 3: Cross multiply
   89,572x = 195,518 × 195,518
4. Step 4: Simplify right side
   89,572x = 38,227,288,324
5. Step 5: Solve for x
   x = 38,227,288,324/89,572
6. Step 6: Final answer
   x = 426,777.21