Finding the Third Proportional to 28,167.75 and 42,180.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,167.75 : 42,180.75 = 42,180.75 : x
2. Step 2: Convert to fraction form
   28,167.75/42,180.75 = 42,180.75/x
3. Step 3: Cross multiply
   28,167.75x = 42,180.75 × 42,180.75
4. Step 4: Simplify right side
   28,167.75x = 1,779,215,670.56
5. Step 5: Solve for x
   x = 1,779,215,670.56/28,167.75
6. Step 6: Final answer
   x = 63,164.99