Finding the Third Proportional to 146,065 and 231,090

Step by Step Solution

1. Step 1: Write the proportion equation
   146,065 : 231,090 = 231,090 : x
2. Step 2: Convert to fraction form
   146,065/231,090 = 231,090/x
3. Step 3: Cross multiply
   146,065x = 231,090 × 231,090
4. Step 4: Simplify right side
   146,065x = 53,402,588,100
5. Step 5: Solve for x
   x = 53,402,588,100/146,065
6. Step 6: Final answer
   x = 365,608.38