Finding the Third Proportional to 9,905.63 and 21,463.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,905.63 : 21,463.31 = 21,463.31 : x
2. Step 2: Convert to fraction form
   9,905.63/21,463.31 = 21,463.31/x
3. Step 3: Cross multiply
   9,905.63x = 21,463.31 × 21,463.31
4. Step 4: Simplify right side
   9,905.63x = 460,673,783.47
5. Step 5: Solve for x
   x = 460,673,783.47/9,905.63
6. Step 6: Final answer
   x = 46,506.28