Finding the Third Proportional to 10,318 and 28,118

Step by Step Solution

1. Step 1: Write the proportion equation
   10,318 : 28,118 = 28,118 : x
2. Step 2: Convert to fraction form
   10,318/28,118 = 28,118/x
3. Step 3: Cross multiply
   10,318x = 28,118 × 28,118
4. Step 4: Simplify right side
   10,318x = 790,621,924
5. Step 5: Solve for x
   x = 790,621,924/10,318
6. Step 6: Final answer
   x = 76,625.50