Finding the Third Proportional to 20,942 and 45,572

Step by Step Solution

1. Step 1: Write the proportion equation
   20,942 : 45,572 = 45,572 : x
2. Step 2: Convert to fraction form
   20,942/45,572 = 45,572/x
3. Step 3: Cross multiply
   20,942x = 45,572 × 45,572
4. Step 4: Simplify right side
   20,942x = 2,076,807,184
5. Step 5: Solve for x
   x = 2,076,807,184/20,942
6. Step 6: Final answer
   x = 99,169.48