Finding the Third Proportional to 65,391 and 141,615

Step by Step Solution

1. Step 1: Write the proportion equation
   65,391 : 141,615 = 141,615 : x
2. Step 2: Convert to fraction form
   65,391/141,615 = 141,615/x
3. Step 3: Cross multiply
   65,391x = 141,615 × 141,615
4. Step 4: Simplify right side
   65,391x = 20,054,808,225
5. Step 5: Solve for x
   x = 20,054,808,225/65,391
6. Step 6: Final answer
   x = 306,690.65