Finding the Third Proportional to 19,653.75 and 42,864.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,653.75 : 42,864.75 = 42,864.75 : x
2. Step 2: Convert to fraction form
   19,653.75/42,864.75 = 42,864.75/x
3. Step 3: Cross multiply
   19,653.75x = 42,864.75 × 42,864.75
4. Step 4: Simplify right side
   19,653.75x = 1,837,386,792.56
5. Step 5: Solve for x
   x = 1,837,386,792.56/19,653.75
6. Step 6: Final answer
   x = 93,487.85