Finding the Third Proportional to 10,126 and 21,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,126 : 21,058.50 = 21,058.50 : x
2. Step 2: Convert to fraction form
   10,126/21,058.50 = 21,058.50/x
3. Step 3: Cross multiply
   10,126x = 21,058.50 × 21,058.50
4. Step 4: Simplify right side
   10,126x = 443,460,422.25
5. Step 5: Solve for x
   x = 443,460,422.25/10,126
6. Step 6: Final answer
   x = 43,794.23