Finding the Third Proportional to 42,262 and 65,212

Step by Step Solution

1. Step 1: Write the proportion equation
   42,262 : 65,212 = 65,212 : x
2. Step 2: Convert to fraction form
   42,262/65,212 = 65,212/x
3. Step 3: Cross multiply
   42,262x = 65,212 × 65,212
4. Step 4: Simplify right side
   42,262x = 4,252,604,944
5. Step 5: Solve for x
   x = 4,252,604,944/42,262
6. Step 6: Final answer
   x = 100,624.79