Finding the Third Proportional to 65,502 and 140,342.63

Step by Step Solution

1. Step 1: Write the proportion equation
   65,502 : 140,342.63 = 140,342.63 : x
2. Step 2: Convert to fraction form
   65,502/140,342.63 = 140,342.63/x
3. Step 3: Cross multiply
   65,502x = 140,342.63 × 140,342.63
4. Step 4: Simplify right side
   65,502x = 19,696,052,391.89
5. Step 5: Solve for x
   x = 19,696,052,391.89/65,502
6. Step 6: Final answer
   x = 300,693.91