Finding the Third Proportional to 12,165.19 and 22,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,165.19 : 22,978.69 = 22,978.69 : x
2. Step 2: Convert to fraction form
   12,165.19/22,978.69 = 22,978.69/x
3. Step 3: Cross multiply
   12,165.19x = 22,978.69 × 22,978.69
4. Step 4: Simplify right side
   12,165.19x = 528,020,079.22
5. Step 5: Solve for x
   x = 528,020,079.22/12,165.19
6. Step 6: Final answer
   x = 43,404.19