Finding the Third Proportional to 30,609 and 62,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,609 : 62,833.50 = 62,833.50 : x
2. Step 2: Convert to fraction form
   30,609/62,833.50 = 62,833.50/x
3. Step 3: Cross multiply
   30,609x = 62,833.50 × 62,833.50
4. Step 4: Simplify right side
   30,609x = 3,948,048,722.25
5. Step 5: Solve for x
   x = 3,948,048,722.25/30,609
6. Step 6: Final answer
   x = 128,983.26