Finding the Third Proportional to 21,573 and 47,156

Step by Step Solution

1. Step 1: Write the proportion equation
   21,573 : 47,156 = 47,156 : x
2. Step 2: Convert to fraction form
   21,573/47,156 = 47,156/x
3. Step 3: Cross multiply
   21,573x = 47,156 × 47,156
4. Step 4: Simplify right side
   21,573x = 2,223,688,336
5. Step 5: Solve for x
   x = 2,223,688,336/21,573
6. Step 6: Final answer
   x = 103,077.38