Finding the Third Proportional to 28,443.81 and 40,972.08

Step by Step Solution

1. Step 1: Write the proportion equation
   28,443.81 : 40,972.08 = 40,972.08 : x
2. Step 2: Convert to fraction form
   28,443.81/40,972.08 = 40,972.08/x
3. Step 3: Cross multiply
   28,443.81x = 40,972.08 × 40,972.08
4. Step 4: Simplify right side
   28,443.81x = 1,678,711,185.88
5. Step 5: Solve for x
   x = 1,678,711,185.88/28,443.81
6. Step 6: Final answer
   x = 59,018.50