Finding the Third Proportional to 65,703 and 141,702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,703 : 141,702.50 = 141,702.50 : x
2. Step 2: Convert to fraction form
   65,703/141,702.50 = 141,702.50/x
3. Step 3: Cross multiply
   65,703x = 141,702.50 × 141,702.50
4. Step 4: Simplify right side
   65,703x = 20,079,598,506.25
5. Step 5: Solve for x
   x = 20,079,598,506.25/65,703
6. Step 6: Final answer
   x = 305,611.59