Finding the Third Proportional to 9,132.89 and 19,630.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.89 : 19,630.55 = 19,630.55 : x
2. Step 2: Convert to fraction form
   9,132.89/19,630.55 = 19,630.55/x
3. Step 3: Cross multiply
   9,132.89x = 19,630.55 × 19,630.55
4. Step 4: Simplify right side
   9,132.89x = 385,358,370.61
5. Step 5: Solve for x
   x = 385,358,370.61/9,132.89
6. Step 6: Final answer
   x = 42,194.57