Finding the Third Proportional to 39,762 and 55,118

Step by Step Solution

1. Step 1: Write the proportion equation
   39,762 : 55,118 = 55,118 : x
2. Step 2: Convert to fraction form
   39,762/55,118 = 55,118/x
3. Step 3: Cross multiply
   39,762x = 55,118 × 55,118
4. Step 4: Simplify right side
   39,762x = 3,037,993,924
5. Step 5: Solve for x
   x = 3,037,993,924/39,762
6. Step 6: Final answer
   x = 76,404.45