Finding the Third Proportional to 14,670 and 20,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,670 : 20,902.50 = 20,902.50 : x
2. Step 2: Convert to fraction form
   14,670/20,902.50 = 20,902.50/x
3. Step 3: Cross multiply
   14,670x = 20,902.50 × 20,902.50
4. Step 4: Simplify right side
   14,670x = 436,914,506.25
5. Step 5: Solve for x
   x = 436,914,506.25/14,670
6. Step 6: Final answer
   x = 29,782.86