Finding the Third Proportional to 21,881.81 and 46,679.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,881.81 : 46,679.63 = 46,679.63 : x
2. Step 2: Convert to fraction form
   21,881.81/46,679.63 = 46,679.63/x
3. Step 3: Cross multiply
   21,881.81x = 46,679.63 × 46,679.63
4. Step 4: Simplify right side
   21,881.81x = 2,178,987,390.14
5. Step 5: Solve for x
   x = 2,178,987,390.14/21,881.81
6. Step 6: Final answer
   x = 99,579.84