Finding the Third Proportional to 65,430 and 141,924

Step by Step Solution

1. Step 1: Write the proportion equation
   65,430 : 141,924 = 141,924 : x
2. Step 2: Convert to fraction form
   65,430/141,924 = 141,924/x
3. Step 3: Cross multiply
   65,430x = 141,924 × 141,924
4. Step 4: Simplify right side
   65,430x = 20,142,421,776
5. Step 5: Solve for x
   x = 20,142,421,776/65,430
6. Step 6: Final answer
   x = 307,846.89