Finding the Third Proportional to 28,293.75 and 42,450.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,293.75 : 42,450.75 = 42,450.75 : x
2. Step 2: Convert to fraction form
   28,293.75/42,450.75 = 42,450.75/x
3. Step 3: Cross multiply
   28,293.75x = 42,450.75 × 42,450.75
4. Step 4: Simplify right side
   28,293.75x = 1,802,066,175.56
5. Step 5: Solve for x
   x = 1,802,066,175.56/28,293.75
6. Step 6: Final answer
   x = 63,691.32