Finding the Third Proportional to 9,872.82 and 21,590.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,872.82 : 21,590.93 = 21,590.93 : x
2. Step 2: Convert to fraction form
   9,872.82/21,590.93 = 21,590.93/x
3. Step 3: Cross multiply
   9,872.82x = 21,590.93 × 21,590.93
4. Step 4: Simplify right side
   9,872.82x = 466,168,244.77
5. Step 5: Solve for x
   x = 466,168,244.77/9,872.82
6. Step 6: Final answer
   x = 47,217.31