Finding the Third Proportional to 22,664 and 42,472

Step by Step Solution

1. Step 1: Write the proportion equation
   22,664 : 42,472 = 42,472 : x
2. Step 2: Convert to fraction form
   22,664/42,472 = 42,472/x
3. Step 3: Cross multiply
   22,664x = 42,472 × 42,472
4. Step 4: Simplify right side
   22,664x = 1,803,870,784
5. Step 5: Solve for x
   x = 1,803,870,784/22,664
6. Step 6: Final answer
   x = 79,591.90