Finding the Third Proportional to 16,007.63 and 35,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,007.63 : 35,128.69 = 35,128.69 : x
2. Step 2: Convert to fraction form
   16,007.63/35,128.69 = 35,128.69/x
3. Step 3: Cross multiply
   16,007.63x = 35,128.69 × 35,128.69
4. Step 4: Simplify right side
   16,007.63x = 1,234,024,685.47
5. Step 5: Solve for x
   x = 1,234,024,685.47/16,007.63
6. Step 6: Final answer
   x = 77,089.80