Finding the Third Proportional to 65,602.50 and 140,538

Step by Step Solution

1. Step 1: Write the proportion equation
   65,602.50 : 140,538 = 140,538 : x
2. Step 2: Convert to fraction form
   65,602.50/140,538 = 140,538/x
3. Step 3: Cross multiply
   65,602.50x = 140,538 × 140,538
4. Step 4: Simplify right side
   65,602.50x = 19,750,929,444
5. Step 5: Solve for x
   x = 19,750,929,444/65,602.50
6. Step 6: Final answer
   x = 301,069.77