Finding the Third Proportional to 21,439 and 46,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,439 : 46,455.50 = 46,455.50 : x
2. Step 2: Convert to fraction form
   21,439/46,455.50 = 46,455.50/x
3. Step 3: Cross multiply
   21,439x = 46,455.50 × 46,455.50
4. Step 4: Simplify right side
   21,439x = 2,158,113,480.25
5. Step 5: Solve for x
   x = 2,158,113,480.25/21,439
6. Step 6: Final answer
   x = 100,662.97