Finding the Third Proportional to 42,882.75 and 64,121.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,882.75 : 64,121.63 = 64,121.63 : x
2. Step 2: Convert to fraction form
   42,882.75/64,121.63 = 64,121.63/x
3. Step 3: Cross multiply
   42,882.75x = 64,121.63 × 64,121.63
4. Step 4: Simplify right side
   42,882.75x = 4,111,582,792.64
5. Step 5: Solve for x
   x = 4,111,582,792.64/42,882.75
6. Step 6: Final answer
   x = 95,879.64