Finding the Third Proportional to 10,643.63 and 23,128.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,643.63 : 23,128.88 = 23,128.88 : x
2. Step 2: Convert to fraction form
   10,643.63/23,128.88 = 23,128.88/x
3. Step 3: Cross multiply
   10,643.63x = 23,128.88 × 23,128.88
4. Step 4: Simplify right side
   10,643.63x = 534,944,858.77
5. Step 5: Solve for x
   x = 534,944,858.77/10,643.63
6. Step 6: Final answer
   x = 50,259.65