Finding the Third Proportional to 21,132 and 31,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,132 : 31,630.50 = 31,630.50 : x
2. Step 2: Convert to fraction form
   21,132/31,630.50 = 31,630.50/x
3. Step 3: Cross multiply
   21,132x = 31,630.50 × 31,630.50
4. Step 4: Simplify right side
   21,132x = 1,000,488,530.25
5. Step 5: Solve for x
   x = 1,000,488,530.25/21,132
6. Step 6: Final answer
   x = 47,344.72