Finding the Third Proportional to 42,776 and 65,836

Step by Step Solution

1. Step 1: Write the proportion equation
   42,776 : 65,836 = 65,836 : x
2. Step 2: Convert to fraction form
   42,776/65,836 = 65,836/x
3. Step 3: Cross multiply
   42,776x = 65,836 × 65,836
4. Step 4: Simplify right side
   42,776x = 4,334,378,896
5. Step 5: Solve for x
   x = 4,334,378,896/42,776
6. Step 6: Final answer
   x = 101,327.35