Finding the Third Proportional to 9,646.88 and 19,561.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,646.88 : 19,561.88 = 19,561.88 : x
2. Step 2: Convert to fraction form
   9,646.88/19,561.88 = 19,561.88/x
3. Step 3: Cross multiply
   9,646.88x = 19,561.88 × 19,561.88
4. Step 4: Simplify right side
   9,646.88x = 382,666,953.52
5. Step 5: Solve for x
   x = 382,666,953.52/9,646.88
6. Step 6: Final answer
   x = 39,667.45