Finding the Third Proportional to 28,411.75 and 42,617.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,411.75 : 42,617.75 = 42,617.75 : x
2. Step 2: Convert to fraction form
   28,411.75/42,617.75 = 42,617.75/x
3. Step 3: Cross multiply
   28,411.75x = 42,617.75 × 42,617.75
4. Step 4: Simplify right side
   28,411.75x = 1,816,272,615.06
5. Step 5: Solve for x
   x = 1,816,272,615.06/28,411.75
6. Step 6: Final answer
   x = 63,926.81