Finding the Third Proportional to 10,555.31 and 22,406.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,555.31 : 22,406.63 = 22,406.63 : x
2. Step 2: Convert to fraction form
   10,555.31/22,406.63 = 22,406.63/x
3. Step 3: Cross multiply
   10,555.31x = 22,406.63 × 22,406.63
4. Step 4: Simplify right side
   10,555.31x = 502,056,843.89
5. Step 5: Solve for x
   x = 502,056,843.89/10,555.31
6. Step 6: Final answer
   x = 47,564.38