Finding the Third Proportional to 10,434 and 15,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434 : 15,655.50 = 15,655.50 : x
2. Step 2: Convert to fraction form
   10,434/15,655.50 = 15,655.50/x
3. Step 3: Cross multiply
   10,434x = 15,655.50 × 15,655.50
4. Step 4: Simplify right side
   10,434x = 245,094,680.25
5. Step 5: Solve for x
   x = 245,094,680.25/10,434
6. Step 6: Final answer
   x = 23,490.00