Finding the Third Proportional to 12,820.50 and 28,164

Step by Step Solution

1. Step 1: Write the proportion equation
   12,820.50 : 28,164 = 28,164 : x
2. Step 2: Convert to fraction form
   12,820.50/28,164 = 28,164/x
3. Step 3: Cross multiply
   12,820.50x = 28,164 × 28,164
4. Step 4: Simplify right side
   12,820.50x = 793,210,896
5. Step 5: Solve for x
   x = 793,210,896/12,820.50
6. Step 6: Final answer
   x = 61,870.51