Finding the Third Proportional to 9,429.88 and 19,634.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.88 : 19,634.75 = 19,634.75 : x
2. Step 2: Convert to fraction form
   9,429.88/19,634.75 = 19,634.75/x
3. Step 3: Cross multiply
   9,429.88x = 19,634.75 × 19,634.75
4. Step 4: Simplify right side
   9,429.88x = 385,523,407.56
5. Step 5: Solve for x
   x = 385,523,407.56/9,429.88
6. Step 6: Final answer
   x = 40,883.19