Finding the Third Proportional to 21,109.78 and 46,114.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,109.78 : 46,114.88 = 46,114.88 : x
2. Step 2: Convert to fraction form
   21,109.78/46,114.88 = 46,114.88/x
3. Step 3: Cross multiply
   21,109.78x = 46,114.88 × 46,114.88
4. Step 4: Simplify right side
   21,109.78x = 2,126,581,696.27
5. Step 5: Solve for x
   x = 2,126,581,696.27/21,109.78
6. Step 6: Final answer
   x = 100,739.16