Finding the Third Proportional to 21,607 and 46,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,607 : 46,902.50 = 46,902.50 : x
2. Step 2: Convert to fraction form
   21,607/46,902.50 = 46,902.50/x
3. Step 3: Cross multiply
   21,607x = 46,902.50 × 46,902.50
4. Step 4: Simplify right side
   21,607x = 2,199,844,506.25
5. Step 5: Solve for x
   x = 2,199,844,506.25/21,607
6. Step 6: Final answer
   x = 101,811.66