Finding the Third Proportional to 65,090 and 141,412

Step by Step Solution

1. Step 1: Write the proportion equation
   65,090 : 141,412 = 141,412 : x
2. Step 2: Convert to fraction form
   65,090/141,412 = 141,412/x
3. Step 3: Cross multiply
   65,090x = 141,412 × 141,412
4. Step 4: Simplify right side
   65,090x = 19,997,353,744
5. Step 5: Solve for x
   x = 19,997,353,744/65,090
6. Step 6: Final answer
   x = 307,226.21