Finding the Third Proportional to 20,145 and 34,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,145 : 34,969.50 = 34,969.50 : x
2. Step 2: Convert to fraction form
   20,145/34,969.50 = 34,969.50/x
3. Step 3: Cross multiply
   20,145x = 34,969.50 × 34,969.50
4. Step 4: Simplify right side
   20,145x = 1,222,865,930.25
5. Step 5: Solve for x
   x = 1,222,865,930.25/20,145
6. Step 6: Final answer
   x = 60,703.20