Finding the Third Proportional to 9,077.63 and 13,876.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,077.63 : 13,876.31 = 13,876.31 : x
2. Step 2: Convert to fraction form
   9,077.63/13,876.31 = 13,876.31/x
3. Step 3: Cross multiply
   9,077.63x = 13,876.31 × 13,876.31
4. Step 4: Simplify right side
   9,077.63x = 192,552,048.60
5. Step 5: Solve for x
   x = 192,552,048.60/9,077.63
6. Step 6: Final answer
   x = 21,211.72