Finding the Third Proportional to 10,572 and 21,784

Step by Step Solution

1. Step 1: Write the proportion equation
   10,572 : 21,784 = 21,784 : x
2. Step 2: Convert to fraction form
   10,572/21,784 = 21,784/x
3. Step 3: Cross multiply
   10,572x = 21,784 × 21,784
4. Step 4: Simplify right side
   10,572x = 474,542,656
5. Step 5: Solve for x
   x = 474,542,656/10,572
6. Step 6: Final answer
   x = 44,886.74