Finding the Third Proportional to 172,253.50 and 365,354

Step by Step Solution

1. Step 1: Write the proportion equation
   172,253.50 : 365,354 = 365,354 : x
2. Step 2: Convert to fraction form
   172,253.50/365,354 = 365,354/x
3. Step 3: Cross multiply
   172,253.50x = 365,354 × 365,354
4. Step 4: Simplify right side
   172,253.50x = 133,483,545,316
5. Step 5: Solve for x
   x = 133,483,545,316/172,253.50
6. Step 6: Final answer
   x = 774,925.01