Finding the Third Proportional to 13,320 and 28,705

Step by Step Solution

1. Step 1: Write the proportion equation
   13,320 : 28,705 = 28,705 : x
2. Step 2: Convert to fraction form
   13,320/28,705 = 28,705/x
3. Step 3: Cross multiply
   13,320x = 28,705 × 28,705
4. Step 4: Simplify right side
   13,320x = 823,977,025
5. Step 5: Solve for x
   x = 823,977,025/13,320
6. Step 6: Final answer
   x = 61,860.14