Finding the Third Proportional to 19,810.69 and 40,532.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,810.69 : 40,532.31 = 40,532.31 : x
2. Step 2: Convert to fraction form
   19,810.69/40,532.31 = 40,532.31/x
3. Step 3: Cross multiply
   19,810.69x = 40,532.31 × 40,532.31
4. Step 4: Simplify right side
   19,810.69x = 1,642,868,356.60
5. Step 5: Solve for x
   x = 1,642,868,356.60/19,810.69
6. Step 6: Final answer
   x = 82,928.39