Finding the Third Proportional to 40,294.69 and 87,585.61

Step by Step Solution

1. Step 1: Write the proportion equation
   40,294.69 : 87,585.61 = 87,585.61 : x
2. Step 2: Convert to fraction form
   40,294.69/87,585.61 = 87,585.61/x
3. Step 3: Cross multiply
   40,294.69x = 87,585.61 × 87,585.61
4. Step 4: Simplify right side
   40,294.69x = 7,671,238,969.59
5. Step 5: Solve for x
   x = 7,671,238,969.59/40,294.69
6. Step 6: Final answer
   x = 190,378.42