Finding the Third Proportional to 40,019.06 and 53,406.84

Step by Step Solution

1. Step 1: Write the proportion equation
   40,019.06 : 53,406.84 = 53,406.84 : x
2. Step 2: Convert to fraction form
   40,019.06/53,406.84 = 53,406.84/x
3. Step 3: Cross multiply
   40,019.06x = 53,406.84 × 53,406.84
4. Step 4: Simplify right side
   40,019.06x = 2,852,290,959.34
5. Step 5: Solve for x
   x = 2,852,290,959.34/40,019.06
6. Step 6: Final answer
   x = 71,273.31