Finding the Third Proportional to 9,316.50 and 21,972

Step by Step Solution

1. Step 1: Write the proportion equation
   9,316.50 : 21,972 = 21,972 : x
2. Step 2: Convert to fraction form
   9,316.50/21,972 = 21,972/x
3. Step 3: Cross multiply
   9,316.50x = 21,972 × 21,972
4. Step 4: Simplify right side
   9,316.50x = 482,768,784
5. Step 5: Solve for x
   x = 482,768,784/9,316.50
6. Step 6: Final answer
   x = 51,818.69