Finding the Third Proportional to 30,702.50 and 43,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,702.50 : 43,434.50 = 43,434.50 : x
2. Step 2: Convert to fraction form
   30,702.50/43,434.50 = 43,434.50/x
3. Step 3: Cross multiply
   30,702.50x = 43,434.50 × 43,434.50
4. Step 4: Simplify right side
   30,702.50x = 1,886,555,790.25
5. Step 5: Solve for x
   x = 1,886,555,790.25/30,702.50
6. Step 6: Final answer
   x = 61,446.32