Finding the Third Proportional to 21,077.72 and 28,058.91

Step by Step Solution

1. Step 1: Write the proportion equation
   21,077.72 : 28,058.91 = 28,058.91 : x
2. Step 2: Convert to fraction form
   21,077.72/28,058.91 = 28,058.91/x
3. Step 3: Cross multiply
   21,077.72x = 28,058.91 × 28,058.91
4. Step 4: Simplify right side
   21,077.72x = 787,302,219.95
5. Step 5: Solve for x
   x = 787,302,219.95/21,077.72
6. Step 6: Final answer
   x = 37,352.34