Finding the Third Proportional to 9,970.50 and 21,237

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.50 : 21,237 = 21,237 : x
2. Step 2: Convert to fraction form
   9,970.50/21,237 = 21,237/x
3. Step 3: Cross multiply
   9,970.50x = 21,237 × 21,237
4. Step 4: Simplify right side
   9,970.50x = 451,010,169
5. Step 5: Solve for x
   x = 451,010,169/9,970.50
6. Step 6: Final answer
   x = 45,234.46