Finding the Third Proportional to 65,842 and 142,924

Step by Step Solution

1. Step 1: Write the proportion equation
   65,842 : 142,924 = 142,924 : x
2. Step 2: Convert to fraction form
   65,842/142,924 = 142,924/x
3. Step 3: Cross multiply
   65,842x = 142,924 × 142,924
4. Step 4: Simplify right side
   65,842x = 20,427,269,776
5. Step 5: Solve for x
   x = 20,427,269,776/65,842
6. Step 6: Final answer
   x = 310,246.80