Finding the Third Proportional to 13,005.56 and 28,279.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.56 : 28,279.13 = 28,279.13 : x
2. Step 2: Convert to fraction form
   13,005.56/28,279.13 = 28,279.13/x
3. Step 3: Cross multiply
   13,005.56x = 28,279.13 × 28,279.13
4. Step 4: Simplify right side
   13,005.56x = 799,708,910.77
5. Step 5: Solve for x
   x = 799,708,910.77/13,005.56
6. Step 6: Final answer
   x = 61,489.76