Finding the Third Proportional to 21,385 and 46,900

Step by Step Solution

1. Step 1: Write the proportion equation
   21,385 : 46,900 = 46,900 : x
2. Step 2: Convert to fraction form
   21,385/46,900 = 46,900/x
3. Step 3: Cross multiply
   21,385x = 46,900 × 46,900
4. Step 4: Simplify right side
   21,385x = 2,199,610,000
5. Step 5: Solve for x
   x = 2,199,610,000/21,385
6. Step 6: Final answer
   x = 102,857.61