Finding the Third Proportional to 40,915.13 and 53,758.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,915.13 : 53,758.69 = 53,758.69 : x
2. Step 2: Convert to fraction form
   40,915.13/53,758.69 = 53,758.69/x
3. Step 3: Cross multiply
   40,915.13x = 53,758.69 × 53,758.69
4. Step 4: Simplify right side
   40,915.13x = 2,889,996,481.72
5. Step 5: Solve for x
   x = 2,889,996,481.72/40,915.13
6. Step 6: Final answer
   x = 70,633.94