Finding the Third Proportional to 172,304.50 and 365,066

Step by Step Solution

1. Step 1: Write the proportion equation
   172,304.50 : 365,066 = 365,066 : x
2. Step 2: Convert to fraction form
   172,304.50/365,066 = 365,066/x
3. Step 3: Cross multiply
   172,304.50x = 365,066 × 365,066
4. Step 4: Simplify right side
   172,304.50x = 133,273,184,356
5. Step 5: Solve for x
   x = 133,273,184,356/172,304.50
6. Step 6: Final answer
   x = 773,474.77