Finding the Third Proportional to 12,779.25 and 28,018.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,779.25 : 28,018.88 = 28,018.88 : x
2. Step 2: Convert to fraction form
   12,779.25/28,018.88 = 28,018.88/x
3. Step 3: Cross multiply
   12,779.25x = 28,018.88 × 28,018.88
4. Step 4: Simplify right side
   12,779.25x = 785,057,356.27
5. Step 5: Solve for x
   x = 785,057,356.27/12,779.25
6. Step 6: Final answer
   x = 61,432.19