Finding the Third Proportional to 28,683.84 and 40,321.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,683.84 : 40,321.69 = 40,321.69 : x
2. Step 2: Convert to fraction form
   28,683.84/40,321.69 = 40,321.69/x
3. Step 3: Cross multiply
   28,683.84x = 40,321.69 × 40,321.69
4. Step 4: Simplify right side
   28,683.84x = 1,625,838,482.85
5. Step 5: Solve for x
   x = 1,625,838,482.85/28,683.84
6. Step 6: Final answer
   x = 56,681.33