Finding the Third Proportional to 65,528 and 140,402

Step by Step Solution

1. Step 1: Write the proportion equation
   65,528 : 140,402 = 140,402 : x
2. Step 2: Convert to fraction form
   65,528/140,402 = 140,402/x
3. Step 3: Cross multiply
   65,528x = 140,402 × 140,402
4. Step 4: Simplify right side
   65,528x = 19,712,721,604
5. Step 5: Solve for x
   x = 19,712,721,604/65,528
6. Step 6: Final answer
   x = 300,828.98