Finding the Third Proportional to 141,654 and 309,066

Step by Step Solution

1. Step 1: Write the proportion equation
   141,654 : 309,066 = 309,066 : x
2. Step 2: Convert to fraction form
   141,654/309,066 = 309,066/x
3. Step 3: Cross multiply
   141,654x = 309,066 × 309,066
4. Step 4: Simplify right side
   141,654x = 95,521,792,356
5. Step 5: Solve for x
   x = 95,521,792,356/141,654
6. Step 6: Final answer
   x = 674,331.77