Finding the Third Proportional to 59,470.88 and 128,145.38

Step by Step Solution

1. Step 1: Write the proportion equation
   59,470.88 : 128,145.38 = 128,145.38 : x
2. Step 2: Convert to fraction form
   59,470.88/128,145.38 = 128,145.38/x
3. Step 3: Cross multiply
   59,470.88x = 128,145.38 × 128,145.38
4. Step 4: Simplify right side
   59,470.88x = 16,421,237,133.89
5. Step 5: Solve for x
   x = 16,421,237,133.89/59,470.88
6. Step 6: Final answer
   x = 276,122.34