Finding the Third Proportional to 21,334.50 and 31,230

Step by Step Solution

1. Step 1: Write the proportion equation
   21,334.50 : 31,230 = 31,230 : x
2. Step 2: Convert to fraction form
   21,334.50/31,230 = 31,230/x
3. Step 3: Cross multiply
   21,334.50x = 31,230 × 31,230
4. Step 4: Simplify right side
   21,334.50x = 975,312,900
5. Step 5: Solve for x
   x = 975,312,900/21,334.50
6. Step 6: Final answer
   x = 45,715.29