Finding the Third Proportional to 65,390 and 141,146

Step by Step Solution

1. Step 1: Write the proportion equation
   65,390 : 141,146 = 141,146 : x
2. Step 2: Convert to fraction form
   65,390/141,146 = 141,146/x
3. Step 3: Cross multiply
   65,390x = 141,146 × 141,146
4. Step 4: Simplify right side
   65,390x = 19,922,193,316
5. Step 5: Solve for x
   x = 19,922,193,316/65,390
6. Step 6: Final answer
   x = 304,667.28