Finding the Third Proportional to 12,314 and 28,910

Step by Step Solution

1. Step 1: Write the proportion equation
   12,314 : 28,910 = 28,910 : x
2. Step 2: Convert to fraction form
   12,314/28,910 = 28,910/x
3. Step 3: Cross multiply
   12,314x = 28,910 × 28,910
4. Step 4: Simplify right side
   12,314x = 835,788,100
5. Step 5: Solve for x
   x = 835,788,100/12,314
6. Step 6: Final answer
   x = 67,873.00