Finding the Third Proportional to 21,870 and 45,296

Step by Step Solution

1. Step 1: Write the proportion equation
   21,870 : 45,296 = 45,296 : x
2. Step 2: Convert to fraction form
   21,870/45,296 = 45,296/x
3. Step 3: Cross multiply
   21,870x = 45,296 × 45,296
4. Step 4: Simplify right side
   21,870x = 2,051,727,616
5. Step 5: Solve for x
   x = 2,051,727,616/21,870
6. Step 6: Final answer
   x = 93,814.71