Finding the Third Proportional to 13,178 and 28,820

Step by Step Solution

1. Step 1: Write the proportion equation
   13,178 : 28,820 = 28,820 : x
2. Step 2: Convert to fraction form
   13,178/28,820 = 28,820/x
3. Step 3: Cross multiply
   13,178x = 28,820 × 28,820
4. Step 4: Simplify right side
   13,178x = 830,592,400
5. Step 5: Solve for x
   x = 830,592,400/13,178
6. Step 6: Final answer
   x = 63,028.71