Finding the Third Proportional to 28,620 and 41,630.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,620 : 41,630.63 = 41,630.63 : x
2. Step 2: Convert to fraction form
   28,620/41,630.63 = 41,630.63/x
3. Step 3: Cross multiply
   28,620x = 41,630.63 × 41,630.63
4. Step 4: Simplify right side
   28,620x = 1,733,108,937.89
5. Step 5: Solve for x
   x = 1,733,108,937.89/28,620
6. Step 6: Final answer
   x = 60,555.87