Finding the Third Proportional to 21,730.78 and 33,630.19

Step by Step Solution

1. Step 1: Write the proportion equation
   21,730.78 : 33,630.19 = 33,630.19 : x
2. Step 2: Convert to fraction form
   21,730.78/33,630.19 = 33,630.19/x
3. Step 3: Cross multiply
   21,730.78x = 33,630.19 × 33,630.19
4. Step 4: Simplify right side
   21,730.78x = 1,130,989,511.29
5. Step 5: Solve for x
   x = 1,130,989,511.29/21,730.78
6. Step 6: Final answer
   x = 52,045.51