Finding the Third Proportional to 53,790 and 71,844.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,790 : 71,844.75 = 71,844.75 : x
2. Step 2: Convert to fraction form
   53,790/71,844.75 = 71,844.75/x
3. Step 3: Cross multiply
   53,790x = 71,844.75 × 71,844.75
4. Step 4: Simplify right side
   53,790x = 5,161,668,102.56
5. Step 5: Solve for x
   x = 5,161,668,102.56/53,790
6. Step 6: Final answer
   x = 95,959.62