Finding the Third Proportional to 30,352.50 and 61,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,352.50 : 61,909.50 = 61,909.50 : x
2. Step 2: Convert to fraction form
   30,352.50/61,909.50 = 61,909.50/x
3. Step 3: Cross multiply
   30,352.50x = 61,909.50 × 61,909.50
4. Step 4: Simplify right side
   30,352.50x = 3,832,786,190.25
5. Step 5: Solve for x
   x = 3,832,786,190.25/30,352.50
6. Step 6: Final answer
   x = 126,275.80