Finding the Third Proportional to 19,487.25 and 41,639.91

Step by Step Solution

1. Step 1: Write the proportion equation
   19,487.25 : 41,639.91 = 41,639.91 : x
2. Step 2: Convert to fraction form
   19,487.25/41,639.91 = 41,639.91/x
3. Step 3: Cross multiply
   19,487.25x = 41,639.91 × 41,639.91
4. Step 4: Simplify right side
   19,487.25x = 1,733,881,792.51
5. Step 5: Solve for x
   x = 1,733,881,792.51/19,487.25
6. Step 6: Final answer
   x = 88,975.19