Finding the Third Proportional to 65,654 and 143,187

Step by Step Solution

1. Step 1: Write the proportion equation
   65,654 : 143,187 = 143,187 : x
2. Step 2: Convert to fraction form
   65,654/143,187 = 143,187/x
3. Step 3: Cross multiply
   65,654x = 143,187 × 143,187
4. Step 4: Simplify right side
   65,654x = 20,502,516,969
5. Step 5: Solve for x
   x = 20,502,516,969/65,654
6. Step 6: Final answer
   x = 312,281.31